1580628772 has 12 divisors (see below), whose sum is σ = 2911684720. Its totient is φ = 748718856.

The previous prime is 1580628769. The next prime is 1580628779. The reversal of 1580628772 is 2778260851.

It is not an unprimeable number, because it can be changed into a prime (1580628779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10398798 + ... + 10398949.

Almost surely, 2^1580628772 is an apocalyptic number.

It is an amenable number.

1580628772 is a deficient number, since it is larger than the sum of its proper divisors (1331055948).

1580628772 is a wasteful number, since it uses less digits than its factorization.

1580628772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20797770 (or 20797768 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 1580628772 is about 39757.1222801651. The cubic root of 1580628772 is about 1164.8677659414.

The spelling of 1580628772 in words is "one billion, five hundred eighty million, six hundred twenty-eight thousand, seven hundred seventy-two".