40395252 has 12 divisors (see below), whose sum is σ = 94255616. Its totient is φ = 13465080.

The previous prime is 40395227. The next prime is 40395269. The reversal of 40395252 is 25259304.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 1683124 + ... + 1683147.

Almost surely, 2^40395252 is an apocalyptic number.

It is an amenable number.

40395252 is an abundant number, since it is smaller than the sum of its proper divisors (53860364).

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

40395252 is a wasteful number, since it uses less digits than its factorization.

40395252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366278 (or 3366276 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 40395252 is about 6355.7259223475. The cubic root of 40395252 is about 343.1179516537.

The spelling of 40395252 in words is "forty million, three hundred ninety-five thousand, two hundred fifty-two".