40523264 has 20 divisors (see below), whose sum is σ = 80968404. Its totient is φ = 20261376.

The previous prime is 40523261. The next prime is 40523317. The reversal of 40523264 is 46232504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39062 + ... + 40085.

Almost surely, 2^40523264 is an apocalyptic number.

It is an amenable number.

40523264 is a deficient number, since it is larger than the sum of its proper divisors (40445140).

40523264 is an frugal number, since it uses more digits than its factorization.

40523264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79165 (or 79149 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40523264 is about 6365.7885607362. The cubic root of 40523264 is about 343.4800148270.

Adding to 40523264 its reverse (46232504), we get a palindrome (86755768).

The spelling of 40523264 in words is "forty million, five hundred twenty-three thousand, two hundred sixty-four".