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40204441 = 438571091
BaseRepresentation
bin1001100101011…
…1100010011001
32210122121010101
42121113202121
540243020231
63553415401
7665506054
oct231274231
983577111
1040204441
1120770212
121156a561
138438914
1454a7a9b
1537e2661
hex2657899

40204441 has 8 divisors (see below), whose sum is σ = 41225184. Its totient is φ = 39187680.

The previous prime is 40204433. The next prime is 40204457. The reversal of 40204441 is 14440204.

40204441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40204441 - 23 = 40204433 is a prime.

It is a super-2 number, since 2×402044412 = 3232794152244962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40204421) 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 7 ways as a sum of consecutive naturals, for example, 36306 + ... + 37396.

It is an arithmetic number, because the mean of its divisors is an integer number (5153148).

Almost surely, 240204441 is an apocalyptic number.

It is an amenable number.

40204441 is a deficient number, since it is larger than the sum of its proper divisors (1020743).

40204441 is a wasteful number, since it uses less digits than its factorization.

40204441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 40204441 is about 6340.6972014125. The cubic root of 40204441 is about 342.5768481546.

Adding to 40204441 its reverse (14440204), we get a palindrome (54644645).

The spelling of 40204441 in words is "forty million, two hundred four thousand, four hundred forty-one".

Divisors: 1 43 857 1091 36851 46913 934987 40204441