1157628580 has 24 divisors (see below), whose sum is σ = 2558969280. Its totient is φ = 438680160.

The previous prime is 1157628547. The next prime is 1157628587. The reversal of 1157628580 is 858267511.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1157628587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522816 + ... + 1523575.

It is an arithmetic number, because the mean of its divisors is an integer number (106623720).

Almost surely, 2^1157628580 is an apocalyptic number.

1157628580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157628580 is an abundant number, since it is smaller than the sum of its proper divisors (1401340700).

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

1157628580 is a wasteful number, since it uses less digits than its factorization.

1157628580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046419 (or 3046417 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 43.

The square root of 1157628580 is about 34023.9412766952. The cubic root of 1157628580 is about 1050.0010823874.

The spelling of 1157628580 in words is "one billion, one hundred fifty-seven million, six hundred twenty-eight thousand, five hundred eighty".