1140031968 has 96 divisors (see below), whose sum is σ = 3176270496. Its totient is φ = 356794368.

The previous prime is 1140031957. The next prime is 1140031987. The reversal of 1140031968 is 8691300411.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195780 + ... + 1196732.

It is an arithmetic number, because the mean of its divisors is an integer number (33086151).

Almost surely, 2^1140031968 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 1140031968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588135248).

1140031968 is an abundant number, since it is smaller than the sum of its proper divisors (2036238528).

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

1140031968 is a wasteful number, since it uses less digits than its factorization.

1140031968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1140031968 is about 33764.3594341726. The cubic root of 1140031968 is about 1044.6536914027.

The spelling of 1140031968 in words is "one billion, one hundred forty million, thirty-one thousand, nine hundred sixty-eight".