1048997680 has 20 divisors (see below), whose sum is σ = 2438919792. Its totient is φ = 419599040.

The previous prime is 1048997659. The next prime is 1048997707. The reversal of 1048997680 is 867998401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1048997680² = 2200792265290764800, which contains 22 as substring.

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, 6556156 + ... + 6556315.

Almost surely, 2^1048997680 is an apocalyptic number.

1048997680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1048997680 is an abundant number, since it is smaller than the sum of its proper divisors (1389922112).

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

1048997680 is a wasteful number, since it uses less digits than its factorization.

1048997680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112484 (or 13112478 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 1048997680 is about 32388.2336659473. The cubic root of 1048997680 is about 1016.0728397568.

The spelling of 1048997680 in words is "one billion, forty-eight million, nine hundred ninety-seven thousand, six hundred eighty".