17990470036 has 48 divisors (see below), whose sum is σ = 41317839360. Its totient is φ = 6640362720.

The previous prime is 17990470021. The next prime is 17990470037. The reversal of 17990470036 is 63007409971.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17990470037) 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, 1531270 + ... + 1542973.

It is an arithmetic number, because the mean of its divisors is an integer number (860788320).

Almost surely, 2^17990470036 is an apocalyptic number.

It is an amenable number.

17990470036 is an abundant number, since it is smaller than the sum of its proper divisors (23327369324).

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

17990470036 is a wasteful number, since it uses less digits than its factorization.

17990470036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074284 (or 3074282 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 17990470036 in words is "seventeen billion, nine hundred ninety million, four hundred seventy thousand, thirty-six".