40621432 has 16 divisors (see below), whose sum is σ = 80645760. Its totient is φ = 19115904.

The previous prime is 40621417. The next prime is 40621433. The reversal of 40621432 is 23412604.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149208 + ... + 149479.

It is an arithmetic number, because the mean of its divisors is an integer number (5040360).

Almost surely, 2^40621432 is an apocalyptic number.

It is an amenable number.

40621432 is a deficient number, since it is larger than the sum of its proper divisors (40024328).

40621432 is a wasteful number, since it uses less digits than its factorization.

40621432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298710 (or 298706 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40621432 is about 6373.4944888970. The cubic root of 40621432 is about 343.7571523801.

The spelling of 40621432 in words is "forty million, six hundred twenty-one thousand, four hundred thirty-two".