80290528380 has 144 divisors (see below), whose sum is σ = 244735624224. Its totient is φ = 21306654720.

The previous prime is 80290528321. The next prime is 80290528391. The reversal of 80290528380 is 8382509208.

80290528380 is a `hidden beast` number, since 8 + 0 + 2 + 90 + 528 + 38 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65973532 + ... + 65974748.

It is an arithmetic number, because the mean of its divisors is an integer number (1699552946).

Almost surely, 2^80290528380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80290528380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122367812112).

80290528380 is an abundant number, since it is smaller than the sum of its proper divisors (164445095844).

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

80290528380 is a wasteful number, since it uses less digits than its factorization.

80290528380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 80290528380 in words is "eighty billion, two hundred ninety million, five hundred twenty-eight thousand, three hundred eighty".