40386474 has 12 divisors (see below), whose sum is σ = 87504066. Its totient is φ = 13462152.

The previous prime is 40386469. The next prime is 40386481. The reversal of 40386474 is 47468304.

40386474 is a `hidden beast` number, since 4 + 0 + 3 + 8 + 647 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40259025 + 127449 = 6345^2 + 357^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1121829 + ... + 1121864.

Almost surely, 2^40386474 is an apocalyptic number.

40386474 is an abundant number, since it is smaller than the sum of its proper divisors (47117592).

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

40386474 is a wasteful number, since it uses less digits than its factorization.

40386474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243701 (or 2243698 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 40386474 is about 6355.0353264164. The cubic root of 40386474 is about 343.0930963598.

The spelling of 40386474 in words is "forty million, three hundred eighty-six thousand, four hundred seventy-four".