90182040 has 64 divisors (see below), whose sum is σ = 291362400. Its totient is φ = 22198272.

The previous prime is 90182039. The next prime is 90182047. The reversal of 90182040 is 4028109.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 90182040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90182047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27345 + ... + 30464.

Almost surely, 2^90182040 is an apocalyptic number.

It is an amenable number.

90182040 is an abundant number, since it is smaller than the sum of its proper divisors (201180360).

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

90182040 is a wasteful number, since it uses less digits than its factorization.

90182040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57836 (or 57832 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 90182040 is about 9496.4224842832. The cubic root of 90182040 is about 448.4424174373.

The spelling of 90182040 in words is "ninety million, one hundred eighty-two thousand, forty".