180542396934 has 32 divisors (see below), whose sum is σ = 408005424000. Its totient is φ = 59160784392.

The previous prime is 180542396933. The next prime is 180542396953. The reversal of 180542396934 is 439693245081.

180542396934 is a `hidden beast` number, since 1 + 8 + 0 + 542 + 3 + 9 + 6 + 93 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180542396933) 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, 28330524 + ... + 28336895.

It is an arithmetic number, because the mean of its divisors is an integer number (12750169500).

Almost surely, 2^180542396934 is an apocalyptic number.

180542396934 is an abundant number, since it is smaller than the sum of its proper divisors (227463027066).

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

180542396934 is a wasteful number, since it uses less digits than its factorization.

180542396934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56667489 (or 56667483 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 180542396934 in words is "one hundred eighty billion, five hundred forty-two million, three hundred ninety-six thousand, nine hundred thirty-four".