1157628810 has 32 divisors (see below), whose sum is σ = 2992026240. Its totient is φ = 284954688.

The previous prime is 1157628779. The next prime is 1157628833. The reversal of 1157628810 is 188267511.

It is a super-2 number, since 2×1157628810² = 2680208923484032200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483750 + ... + 1484529.

It is an arithmetic number, because the mean of its divisors is an integer number (93500820).

Almost surely, 2^1157628810 is an apocalyptic number.

1157628810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157628810 is an abundant number, since it is smaller than the sum of its proper divisors (1834397430).

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

1157628810 is a wasteful number, since it uses less digits than its factorization.

1157628810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968302.

The product of its (nonzero) digits is 26880, while the sum is 39.

The square root of 1157628810 is about 34023.9446566679. The cubic root of 1157628810 is about 1050.0011519262.

The spelling of 1157628810 in words is "one billion, one hundred fifty-seven million, six hundred twenty-eight thousand, eight hundred ten".