1157260608 has 140 divisors (see below), whose sum is σ = 3920674912. Its totient is φ = 330635520.

The previous prime is 1157260589. The next prime is 1157260639. The reversal of 1157260608 is 8060627511.

It is a super-2 number, since 2×1157260608² = 2678504229657059328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 19 ways as a sum of consecutive naturals, for example, 20343 + ... + 52233.

Almost surely, 2^1157260608 is an apocalyptic number.

1157260608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157260608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960337456).

1157260608 is an abundant number, since it is smaller than the sum of its proper divisors (2763414304).

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

1157260608 is an equidigital number, since it uses as much as digits as its factorization.

1157260608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31922 (or 31903 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1157260608 is about 34018.5333017166. The cubic root of 1157260608 is about 1049.8898170097.

The spelling of 1157260608 in words is "one billion, one hundred fifty-seven million, two hundred sixty thousand, six hundred eight".