40386732 has 24 divisors (see below), whose sum is σ = 94425072. Its totient is φ = 13435200.

The previous prime is 40386701. The next prime is 40386737. The reversal of 40386732 is 23768304.

It is a junction number, because it is equal to n+sod(n) for n = 40386693 and 40386702.

It is not an unprimeable number, because it can be changed into a prime (40386737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3382 + ... + 9602.

It is an arithmetic number, because the mean of its divisors is an integer number (3934378).

Almost surely, 2^40386732 is an apocalyptic number.

It is an amenable number.

40386732 is an abundant number, since it is smaller than the sum of its proper divisors (54038340).

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

40386732 is a wasteful number, since it uses less digits than its factorization.

40386732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769 (or 6767 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 40386732 is about 6355.0556252483. The cubic root of 40386732 is about 343.0938269496.

The spelling of 40386732 in words is "forty million, three hundred eighty-six thousand, seven hundred thirty-two".