40444938 has 24 divisors (see below), whose sum is σ = 92786148. Its totient is φ = 12688512.

The previous prime is 40444931. The next prime is 40444949. The reversal of 40444938 is 83944404.

It can be written as a sum of positive squares in 2 ways, for example, as 40411449 + 33489 = 6357^2 + 183^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40444931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65781 + ... + 66392.

Almost surely, 2^40444938 is an apocalyptic number.

40444938 is an abundant number, since it is smaller than the sum of its proper divisors (52341210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40444938 is a wasteful number, since it uses less digits than its factorization.

40444938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132198 (or 132195 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 40444938 is about 6359.6334800050. The cubic root of 40444938 is about 343.2585719226.

The spelling of 40444938 in words is "forty million, four hundred forty-four thousand, nine hundred thirty-eight".