40037954 has 16 divisors (see below), whose sum is σ = 66156480. Its totient is φ = 18021360.

The previous prime is 40037947. The next prime is 40037999. The reversal of 40037954 is 45973004.

It is a super-2 number, since 2×40037954² = 3206075521012232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40037954.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6569 + ... + 11100.

It is an arithmetic number, because the mean of its divisors is an integer number (4134780).

Almost surely, 2^40037954 is an apocalyptic number.

40037954 is a deficient number, since it is larger than the sum of its proper divisors (26118526).

40037954 is a wasteful number, since it uses less digits than its factorization.

40037954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17785.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40037954 is about 6327.5551360695. Note that the first 3 decimals coincide. The cubic root of 40037954 is about 342.1033225203.

The spelling of 40037954 in words is "forty million, thirty-seven thousand, nine hundred fifty-four".