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40441401 = 3271113672
BaseRepresentation
bin1001101001000…
…1011000111001
32211002122011200
42122101120321
540323111101
64002444413
71000513650
oct232213071
984078150
1040441401
1120912250
1211663709
1384bc730
14552a197
15383c986
hex2691639

40441401 has 72 divisors (see below), whose sum is σ = 79619904. Its totient is φ = 19103040.

The previous prime is 40441393. The next prime is 40441409. The reversal of 40441401 is 10414404.

It is an interprime number because it is at equal distance from previous prime (40441393) and next prime (40441409).

It is not a de Polignac number, because 40441401 - 23 = 40441393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40441409) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 603570 + ... + 603636.

It is an arithmetic number, because the mean of its divisors is an integer number (1105832).

Almost surely, 240441401 is an apocalyptic number.

It is an amenable number.

40441401 is a deficient number, since it is larger than the sum of its proper divisors (39178503).

40441401 is a wasteful number, since it uses less digits than its factorization.

40441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 40441401 is about 6359.3553918617. The cubic root of 40441401 is about 343.2485653884.

Adding to 40441401 its reverse (10414404), we get a palindrome (50855805).

Multiplying 40441401 by its reverse (10414404), we get a square (421173088340004 = 205225022).

It can be divided in two parts, 4044 and 1401, that added together give a palindrome (5445).

The spelling of 40441401 in words is "forty million, four hundred forty-one thousand, four hundred one".

Divisors: 1 3 7 9 11 13 21 33 39 63 67 77 91 99 117 143 201 231 273 429 469 603 693 737 819 871 1001 1287 1407 2211 2613 3003 4221 4489 5159 6097 6633 7839 9009 9581 13467 15477 18291 28743 31423 40401 46431 49379 54873 58357 67067 86229 94269 148137 175071 201201 282807 345653 408499 444411 525213 603603 641927 1036959 1225497 1925781 3110877 3676491 4493489 5777343 13480467 40441401