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40024443025 = 5272310991229
BaseRepresentation
bin100101010001101001…
…001000100010010001
310211022101001101000201
4211101221020202101
51123432224134100
630215330415201
72614562103160
oct452151104221
9124271041021
1040024443025
1115a79833496
127910131501
133a0b1600a8
141d199313d7
151093c1436a
hex951a48891

40024443025 has 48 divisors (see below), whose sum is σ = 59730105600. Its totient is φ = 26010927360.

The previous prime is 40024443013. The next prime is 40024443029. The reversal of 40024443025 is 52034442004.

It is not a de Polignac number, because 40024443025 - 217 = 40024311953 is a prime.

It is a super-2 number, since 2×400244430252 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40024442984 and 40024443002.

It is not an unprimeable number, because it can be changed into a prime (40024443029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 393111 + ... + 484339.

It is an arithmetic number, because the mean of its divisors is an integer number (1244377200).

Almost surely, 240024443025 is an apocalyptic number.

It is an amenable number.

40024443025 is a deficient number, since it is larger than the sum of its proper divisors (19705662575).

40024443025 is a wasteful number, since it uses less digits than its factorization.

40024443025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91378 (or 91373 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 40024443025 its reverse (52034442004), we get a palindrome (92058885029).

The spelling of 40024443025 in words is "forty billion, twenty-four million, four hundred forty-three thousand, twenty-five".

Divisors: 1 5 7 23 25 35 109 115 161 175 545 575 763 805 2507 2725 3815 4025 12535 17549 19075 62675 87745 91229 438725 456145 638603 2098267 2280725 3193015 9943961 10491335 14687869 15965075 49719805 52456675 69607727 73439345 228711103 248599025 348038635 367196725 1143555515 1600977721 1740193175 5717777575 8004888605 40024443025