18045607090 has 32 divisors (see below), whose sum is σ = 37266873984. Its totient is φ = 6162984960.

The previous prime is 18045607087. The next prime is 18045607121. The reversal of 18045607090 is 9070654081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483556 + ... + 519535.

It is an arithmetic number, because the mean of its divisors is an integer number (1164589812).

Almost surely, 2^18045607090 is an apocalyptic number.

18045607090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18045607090 is an abundant number, since it is smaller than the sum of its proper divisors (19221266894).

18045607090 is a wasteful number, since it uses less digits than its factorization.

18045607090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003362.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 18045607090 in words is "eighteen billion, forty-five million, six hundred seven thousand, ninety".