1140844432 has 80 divisors (see below), whose sum is σ = 2880565632. Its totient is φ = 424765440.

The previous prime is 1140844409. The next prime is 1140844457. The reversal of 1140844432 is 2344480411.

It is a junction number, because it is equal to n+sod(n) for n = 1140844394 and 1140844403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707 + ... + 47797.

Almost surely, 2^1140844432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140844432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440282816).

1140844432 is an abundant number, since it is smaller than the sum of its proper divisors (1739721200).

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

1140844432 is a wasteful number, since it uses less digits than its factorization.

1140844432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46136 (or 46130 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 1140844432 is about 33776.3886761152. The cubic root of 1140844432 is about 1044.9017961332.

The spelling of 1140844432 in words is "one billion, one hundred forty million, eight hundred forty-four thousand, four hundred thirty-two".