1580421288 has 32 divisors (see below), whose sum is σ = 3989419200. Its totient is φ = 521691648.

The previous prime is 1580421253. The next prime is 1580421289. The reversal of 1580421288 is 8821240851.

It is not an unprimeable number, because it can be changed into a prime (1580421289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317193 + ... + 322136.

It is an arithmetic number, because the mean of its divisors is an integer number (124669350).

Almost surely, 2^1580421288 is an apocalyptic number.

It is an amenable number.

1580421288 is an abundant number, since it is smaller than the sum of its proper divisors (2408997912).

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

1580421288 is a wasteful number, since it uses less digits than its factorization.

1580421288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639441 (or 639437 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 1580421288 is about 39754.5128004356. The cubic root of 1580421288 is about 1164.8167942428.

It can be divided in two parts, 158042 and 1288, that added together give a triangular number (159330 = T₅₆₄).

The spelling of 1580421288 in words is "one billion, five hundred eighty million, four hundred twenty-one thousand, two hundred eighty-eight".