40456632 has 32 divisors (see below), whose sum is σ = 105540480. Its totient is φ = 12899040.

The previous prime is 40456631. The next prime is 40456639. The reversal of 40456632 is 23665404.

It is a self number, because there is not a number n which added to its sum of digits gives 40456632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40456631) 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, 36094 + ... + 37197.

It is an arithmetic number, because the mean of its divisors is an integer number (3298140).

Almost surely, 2^40456632 is an apocalyptic number.

It is an amenable number.

40456632 is an abundant number, since it is smaller than the sum of its proper divisors (65083848).

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

40456632 is a wasteful number, since it uses less digits than its factorization.

40456632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73323 (or 73319 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 40456632 is about 6360.5528061639. The cubic root of 40456632 is about 343.2916512903.

The spelling of 40456632 in words is "forty million, four hundred fifty-six thousand, six hundred thirty-two".