1480091988 has 12 divisors (see below), whose sum is σ = 3453548000. Its totient is φ = 493363992.

The previous prime is 1480091971. The next prime is 1480092011. The reversal of 1480091988 is 8891900841.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61670488 + ... + 61670511.

Almost surely, 2^1480091988 is an apocalyptic number.

It is an amenable number.

1480091988 is an abundant number, since it is smaller than the sum of its proper divisors (1973456012).

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

1480091988 is a wasteful number, since it uses less digits than its factorization.

1480091988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123341006 (or 123341004 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 1480091988 is about 38471.9636618668. The cubic root of 1480091988 is about 1139.6274529048.

The spelling of 1480091988 in words is "one billion, four hundred eighty million, ninety-one thousand, nine hundred eighty-eight".