1158799480 has 16 divisors (see below), whose sum is σ = 2607298920. Its totient is φ = 463519776.

The previous prime is 1158799459. The next prime is 1158799489. The reversal of 1158799480 is 849978511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158799489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14484954 + ... + 14485033.

Almost surely, 2^1158799480 is an apocalyptic number.

1158799480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158799480 is an abundant number, since it is smaller than the sum of its proper divisors (1448499440).

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

1158799480 is a wasteful number, since it uses less digits than its factorization.

1158799480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28969998 (or 28969994 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 52.

The square root of 1158799480 is about 34041.1439290750. The cubic root of 1158799480 is about 1050.3549759729.

The spelling of 1158799480 in words is "one billion, one hundred fifty-eight million, seven hundred ninety-nine thousand, four hundred eighty".