40444931 has 2 divisors, whose sum is σ = 40444932. Its totient is φ = 40444930.

The previous prime is 40444903. The next prime is 40444949. The reversal of 40444931 is 13944404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40444931 - 2¹⁴ = 40428547 is a prime.

It is a super-2 number, since 2×40444931² = 3271584887189522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40444894 and 40444903.

It is not a weakly prime, because it can be changed into another prime (40444951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20222465 + 20222466.

It is an arithmetic number, because the mean of its divisors is an integer number (20222466).

Almost surely, 2^40444931 is an apocalyptic number.

40444931 is a deficient number, since it is larger than the sum of its proper divisors (1).

40444931 is an equidigital number, since it uses as much as digits as its factorization.

40444931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40444931 is about 6359.6329296588. The cubic root of 40444931 is about 343.2585521194.

The spelling of 40444931 in words is "forty million, four hundred forty-four thousand, nine hundred thirty-one".