1155466400 has 72 divisors (see below), whose sum is σ = 3077240544. Its totient is φ = 420166400.

The previous prime is 1155466397. The next prime is 1155466457. The reversal of 1155466400 is 46645511.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56852 + ... + 74451.

It is an arithmetic number, because the mean of its divisors is an integer number (42739452).

Almost surely, 2^1155466400 is an apocalyptic number.

1155466400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155466400 is an abundant number, since it is smaller than the sum of its proper divisors (1921774144).

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

1155466400 is a wasteful number, since it uses less digits than its factorization.

1155466400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131334 (or 131321 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1155466400 is about 33992.1520354331. The cubic root of 1155466400 is about 1049.3469559816.

The spelling of 1155466400 in words is "one billion, one hundred fifty-five million, four hundred sixty-six thousand, four hundred".