40064937 has 24 divisors (see below), whose sum is σ = 61920672. Its totient is φ = 22848000.

The previous prime is 40064933. The next prime is 40064951. The reversal of 40064937 is 73946004.

It is not a de Polignac number, because 40064937 - 2² = 40064933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 40064898 and 40064907.

It is not an unprimeable number, because it can be changed into a prime (40064933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7437 + ... + 11637.

It is an arithmetic number, because the mean of its divisors is an integer number (2580028).

Almost surely, 2^40064937 is an apocalyptic number.

It is an amenable number.

40064937 is a deficient number, since it is larger than the sum of its proper divisors (21855735).

40064937 is a wasteful number, since it uses less digits than its factorization.

40064937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249 (or 4232 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40064937 is about 6329.6869590842. The cubic root of 40064937 is about 342.1801571244.

The spelling of 40064937 in words is "forty million, sixty-four thousand, nine hundred thirty-seven".