1149856344 has 384 divisors, whose sum is σ = 4096612800. Its totient is φ = 296110080.

The previous prime is 1149856327. The next prime is 1149856399. The reversal of 1149856344 is 4436589411.

1149856344 is a `hidden beast` number, since 1 + 1 + 4 + 9 + 8 + 5 + 634 + 4 = 666.

It is a super-2 number, since 2×1149856344² = 2644339223674092672, which contains 22 as substring.

Its product of digits (414720) is a multiple of the sum of its prime factors (240).

It is a self number, because there is not a number n which added to its sum of digits gives 1149856344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8393044 + ... + 8393180.

Almost surely, 2^1149856344 is an apocalyptic number.

1149856344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149856344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048306400).

1149856344 is an abundant number, since it is smaller than the sum of its proper divisors (2946756456).

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

1149856344 is a wasteful number, since it uses less digits than its factorization.

1149856344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 223 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 1149856344 is about 33909.5317573098. The cubic root of 1149856344 is about 1047.6459261694.

The spelling of 1149856344 in words is "one billion, one hundred forty-nine million, eight hundred fifty-six thousand, three hundred forty-four".