1155568464 has 40 divisors (see below), whose sum is σ = 3316910720. Its totient is φ = 385189344.

The previous prime is 1155568459. The next prime is 1155568501. The reversal of 1155568464 is 4648655511.

1155568464 is a `hidden beast` number, since 1 + 15 + 556 + 84 + 6 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337032 + ... + 1337895.

It is an arithmetic number, because the mean of its divisors is an integer number (82922768).

Almost surely, 2^1155568464 is an apocalyptic number.

It is an amenable number.

1155568464 is an abundant number, since it is smaller than the sum of its proper divisors (2161342256).

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

1155568464 is a wasteful number, since it uses less digits than its factorization.

1155568464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674944 (or 2674932 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 1155568464 is about 33993.6532899893. The cubic root of 1155568464 is about 1049.3778518445.

The spelling of 1155568464 in words is "one billion, one hundred fifty-five million, five hundred sixty-eight thousand, four hundred sixty-four".