180474478524 has 36 divisors (see below), whose sum is σ = 456326672256. Its totient is φ = 60141373248.

The previous prime is 180474478523. The next prime is 180474478537. The reversal of 180474478524 is 425874474081.

It is a happy number.

180474478524 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 7 + 44 + 78 + 524 = 666.

180474478524 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×180474478524³ (a number of 35 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180474478523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568284 + ... + 826979.

It is an arithmetic number, because the mean of its divisors is an integer number (12675740896).

Almost surely, 2^180474478524 is an apocalyptic number.

It is an amenable number.

180474478524 is an abundant number, since it is smaller than the sum of its proper divisors (275852193732).

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

180474478524 is a wasteful number, since it uses less digits than its factorization.

180474478524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398866 (or 1398861 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 54.

The spelling of 180474478524 in words is "one hundred eighty billion, four hundred seventy-four million, four hundred seventy-eight thousand, five hundred twenty-four".