180494600400 has 150 divisors (see below), whose sum is σ = 647780752982. Its totient is φ = 48131884800.

The previous prime is 180494600359. The next prime is 180494600443. The reversal of 180494600400 is 4006494081.

It is a happy number.

180494600400 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 9 + 4 + 600 + 40 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 33471434304 + 147023166096 = 182952^2 + 383436^2 .

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2753011 + ... + 2817810.

Almost surely, 2^180494600400 is an apocalyptic number.

180494600400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180494600400 is an abundant number, since it is smaller than the sum of its proper divisors (467286152582).

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

180494600400 is a wasteful number, since it uses less digits than its factorization.

180494600400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570851 (or 5570831 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 180494600400 in words is "one hundred eighty billion, four hundred ninety-four million, six hundred thousand, four hundred".