180428039904 has 576 divisors, whose sum is σ = 602852253696. Its totient is φ = 46921383936.

The previous prime is 180428039789. The next prime is 180428039969. The reversal of 180428039904 is 409930824081.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 471091297 + ... + 471091679.

It is an arithmetic number, because the mean of its divisors is an integer number (1046618496).

Almost surely, 2^180428039904 is an apocalyptic number.

180428039904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180428039904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301426126848).

180428039904 is an abundant number, since it is smaller than the sum of its proper divisors (422424213792).

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

180428039904 is a wasteful number, since it uses less digits than its factorization.

180428039904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 180428039904 in words is "one hundred eighty billion, four hundred twenty-eight million, thirty-nine thousand, nine hundred four".