40596990 has 48 divisors (see below), whose sum is σ = 113344272. Its totient is φ = 9278976.

The previous prime is 40596989. The next prime is 40597009. The reversal of 40596990 is 9969504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12339 + ... + 15278.

It is an arithmetic number, because the mean of its divisors is an integer number (2361339).

Almost surely, 2^40596990 is an apocalyptic number.

40596990 is an abundant number, since it is smaller than the sum of its proper divisors (72747282).

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

40596990 is a wasteful number, since it uses less digits than its factorization.

40596990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27641 (or 27634 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 40596990 is about 6371.5767279379. The cubic root of 40596990 is about 343.6881920829.

The spelling of 40596990 in words is "forty million, five hundred ninety-six thousand, nine hundred ninety".