1144652560 has 40 divisors (see below), whose sum is σ = 2662793856. Its totient is φ = 457607040.

The previous prime is 1144652539. The next prime is 1144652599. The reversal of 1144652560 is 652564411.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1144652560² = 2620458966229107200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218775 + ... + 223945.

Almost surely, 2^1144652560 is an apocalyptic number.

1144652560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144652560 is an abundant number, since it is smaller than the sum of its proper divisors (1518141296).

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

1144652560 is a wasteful number, since it uses less digits than its factorization.

1144652560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7951 (or 7945 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1144652560 is about 33832.7143457335. The cubic root of 1144652560 is about 1046.0631290448.

The spelling of 1144652560 in words is "one billion, one hundred forty-four million, six hundred fifty-two thousand, five hundred sixty".