40025264 has 20 divisors (see below), whose sum is σ = 78708504. Its totient is φ = 19713408.

The previous prime is 40025263. The next prime is 40025281. The reversal of 40025264 is 46252004.

It is not an unprimeable number, because it can be changed into a prime (40025261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17597 + ... + 19740.

Almost surely, 2^40025264 is an apocalyptic number.

It is an amenable number.

40025264 is a deficient number, since it is larger than the sum of its proper divisors (38683240).

40025264 is a wasteful number, since it uses less digits than its factorization.

40025264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37412 (or 37406 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40025264 is about 6326.5522996337. The cubic root of 40025264 is about 342.0671755692.

Adding to 40025264 its reverse (46252004), we get a palindrome (86277268).

The spelling of 40025264 in words is "forty million, twenty-five thousand, two hundred sixty-four".