40315252 has 24 divisors (see below), whose sum is σ = 74531072. Its totient is φ = 19051200.

The previous prime is 40315229. The next prime is 40315267. The reversal of 40315252 is 25251304.

40315252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552 + ... + 9112.

Almost surely, 2^40315252 is an apocalyptic number.

It is an amenable number.

40315252 is a deficient number, since it is larger than the sum of its proper divisors (34215820).

40315252 is a wasteful number, since it uses less digits than its factorization.

40315252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7639 (or 7637 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40315252 is about 6349.4292656899. The cubic root of 40315252 is about 342.8912948454.

Adding to 40315252 its reverse (25251304), we get a palindrome (65566556).

The spelling of 40315252 in words is "forty million, three hundred fifteen thousand, two hundred fifty-two".