180491970492 has 60 divisors (see below), whose sum is σ = 473595950520. Its totient is φ = 59940303264.

The previous prime is 180491970413. The next prime is 180491970521. The reversal of 180491970492 is 294079194081.

180491970492 is a `hidden beast` number, since 1 + 80 + 4 + 9 + 1 + 9 + 70 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 948298 + ... + 1122609.

It is an arithmetic number, because the mean of its divisors is an integer number (7893265842).

Almost surely, 2^180491970492 is an apocalyptic number.

180491970492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180491970492 is an abundant number, since it is smaller than the sum of its proper divisors (293103980028).

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

180491970492 is a wasteful number, since it uses less digits than its factorization.

180491970492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071192 (or 2071181 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 180491970492 in words is "one hundred eighty billion, four hundred ninety-one million, nine hundred seventy thousand, four hundred ninety-two".