180502528038 has 48 divisors (see below), whose sum is σ = 427062404160. Its totient is φ = 50698041744.

The previous prime is 180502528027. The next prime is 180502528079. The reversal of 180502528038 is 830825205081.

It is a super-2 number, since 2×180502528038² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5185656 + ... + 5220347.

It is an arithmetic number, because the mean of its divisors is an integer number (8897133420).

Almost surely, 2^180502528038 is an apocalyptic number.

180502528038 is an abundant number, since it is smaller than the sum of its proper divisors (246559876122).

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

180502528038 is a wasteful number, since it uses less digits than its factorization.

180502528038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406081 (or 10406074 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 180502528038 in words is "one hundred eighty billion, five hundred two million, five hundred twenty-eight thousand, thirty-eight".