1157628630 has 16 divisors (see below), whose sum is σ = 2778308784. Its totient is φ = 308700960.

The previous prime is 1157628587. The next prime is 1157628631. The reversal of 1157628630 is 368267511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157628631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19293781 + ... + 19293840.

It is an arithmetic number, because the mean of its divisors is an integer number (173644299).

Almost surely, 2^1157628630 is an apocalyptic number.

1157628630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157628630 is an abundant number, since it is smaller than the sum of its proper divisors (1620680154).

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

1157628630 is a wasteful number, since it uses less digits than its factorization.

1157628630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38587631.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1157628630 is about 34023.9420114719. The cubic root of 1157628630 is about 1050.0010975045.

The spelling of 1157628630 in words is "one billion, one hundred fifty-seven million, six hundred twenty-eight thousand, six hundred thirty".