1140051968 has 52 divisors (see below), whose sum is σ = 2487180768. Its totient is φ = 518184960.

The previous prime is 1140051959. The next prime is 1140052013. The reversal of 1140051968 is 8691500411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32405 + ... + 57707.

Almost surely, 2^1140051968 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 1140051968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243590384).

1140051968 is an abundant number, since it is smaller than the sum of its proper divisors (1347128800).

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

1140051968 is an equidigital number, since it uses as much as digits as its factorization.

1140051968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25338 (or 25316 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1140051968 is about 33764.6556031599. The cubic root of 1140051968 is about 1044.6598002816.

The spelling of 1140051968 in words is "one billion, one hundred forty million, fifty-one thousand, nine hundred sixty-eight".