40025064 has 16 divisors (see below), whose sum is σ = 100062720. Its totient is φ = 13341680.

The previous prime is 40025033. The next prime is 40025071. The reversal of 40025064 is 46052004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40025064.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833832 + ... + 833879.

It is an arithmetic number, because the mean of its divisors is an integer number (6253920).

Almost surely, 2^40025064 is an apocalyptic number.

It is an amenable number.

40025064 is an abundant number, since it is smaller than the sum of its proper divisors (60037656).

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

40025064 is a wasteful number, since it uses less digits than its factorization.

40025064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667720 (or 1667716 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40025064 is about 6326.5364932165. The cubic root of 40025064 is about 342.0666058161.

Adding to 40025064 its reverse (46052004), we get a palindrome (86077068).

The spelling of 40025064 in words is "forty million, twenty-five thousand, sixty-four".