1980071480 has 16 divisors (see below), whose sum is σ = 4455160920. Its totient is φ = 792028576.

The previous prime is 1980071473. The next prime is 1980071521. The reversal of 1980071480 is 841700891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24750854 + ... + 24750933.

Almost surely, 2^1980071480 is an apocalyptic number.

1980071480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1980071480 is an abundant number, since it is smaller than the sum of its proper divisors (2475089440).

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

1980071480 is a wasteful number, since it uses less digits than its factorization.

1980071480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49501798 (or 49501794 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 1980071480 is about 44497.9941120945. The cubic root of 1980071480 is about 1255.7223462286.

The spelling of 1980071480 in words is "one billion, nine hundred eighty million, seventy-one thousand, four hundred eighty".