40587312 has 40 divisors (see below), whose sum is σ = 105083056. Its totient is φ = 13499136.

The previous prime is 40587307. The next prime is 40587331. The reversal of 40587312 is 21378504.

It is a self number, because there is not a number n which added to its sum of digits gives 40587312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35778 + ... + 36894.

Almost surely, 2^40587312 is an apocalyptic number.

It is an amenable number.

40587312 is an abundant number, since it is smaller than the sum of its proper divisors (64495744).

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

40587312 is a wasteful number, since it uses less digits than its factorization.

40587312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 40587312 is about 6370.8172160250. The cubic root of 40587312 is about 343.6608790672.

The spelling of 40587312 in words is "forty million, five hundred eighty-seven thousand, three hundred twelve".