40444037 has 16 divisors (see below), whose sum is σ = 44586432. Its totient is φ = 36529920.

The previous prime is 40444031. The next prime is 40444091. The reversal of 40444037 is 73044404.

It is a cyclic number.

It is not a de Polignac number, because 40444037 - 2²⁴ = 23666821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40443997 and 40444015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444031) 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, 44138 + ... + 45044.

It is an arithmetic number, because the mean of its divisors is an integer number (2786652).

Almost surely, 2^40444037 is an apocalyptic number.

It is an amenable number.

40444037 is a deficient number, since it is larger than the sum of its proper divisors (4142395).

40444037 is a wasteful number, since it uses less digits than its factorization.

40444037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 40444037 is about 6359.5626421948. The cubic root of 40444037 is about 343.2560229569.

The spelling of 40444037 in words is "forty million, four hundred forty-four thousand, thirty-seven".