40824931 has 16 divisors (see below), whose sum is σ = 49826304. Its totient is φ = 32687424.

The previous prime is 40824911. The next prime is 40824937. The reversal of 40824931 is 13942804.

It is not a de Polignac number, because 40824931 - 2¹⁷ = 40693859 is a prime.

It is a super-2 number, since 2×40824931² = 3333349982309522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40824893 and 40824902.

It is not an unprimeable number, because it can be changed into a prime (40824937) 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, 3975 + ... + 9871.

It is an arithmetic number, because the mean of its divisors is an integer number (3114144).

Almost surely, 2^40824931 is an apocalyptic number.

40824931 is a deficient number, since it is larger than the sum of its proper divisors (9001373).

40824931 is a wasteful number, since it uses less digits than its factorization.

40824931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40824931 is about 6389.4390207592. The cubic root of 40824931 is about 344.3302303673.

The spelling of 40824931 in words is "forty million, eight hundred twenty-four thousand, nine hundred thirty-one".