18050436495 has 480 divisors, whose sum is σ = 43678204416. Its totient is φ = 7054387200.

The previous prime is 18050436479. The next prime is 18050436533. The reversal of 18050436495 is 59463405081.

18050436495 is a `hidden beast` number, since 1 + 80 + 50 + 4 + 36 + 495 = 666.

It is not a de Polignac number, because 18050436495 - 2⁴ = 18050436479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 18050436495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 295908765 + ... + 295908825.

Almost surely, 2^18050436495 is an apocalyptic number.

18050436495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18050436495 is an abundant number, since it is smaller than the sum of its proper divisors (25627767921).

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

18050436495 is a wasteful number, since it uses less digits than its factorization.

18050436495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 18050436495 in words is "eighteen billion, fifty million, four hundred thirty-six thousand, four hundred ninety-five".