40576431 has 16 divisors (see below), whose sum is σ = 61920000. Its totient is φ = 23153088.

The previous prime is 40576421. The next prime is 40576453. The reversal of 40576431 is 13467504.

It is not a de Polignac number, because 40576431 - 2²³ = 32187823 is a prime.

It is a super-2 number, since 2×40576431² = 3292893505395522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40576421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26320 + ... + 27818.

It is an arithmetic number, because the mean of its divisors is an integer number (3870000).

Almost surely, 2^40576431 is an apocalyptic number.

40576431 is a deficient number, since it is larger than the sum of its proper divisors (21343569).

40576431 is a wasteful number, since it uses less digits than its factorization.

40576431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40576431 is about 6369.9631867068. The cubic root of 40576431 is about 343.6301657888.

The spelling of 40576431 in words is "forty million, five hundred seventy-six thousand, four hundred thirty-one".