1140874528 has 72 divisors (see below), whose sum is σ = 2334237696. Its totient is φ = 548835840.

The previous prime is 1140874523. The next prime is 1140874541. The reversal of 1140874528 is 8254780411.

It is not an unprimeable number, because it can be changed into a prime (1140874523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6831501 + ... + 6831667.

It is an arithmetic number, because the mean of its divisors is an integer number (32419968).

Almost surely, 2^1140874528 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 1140874528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167118848).

1140874528 is an abundant number, since it is smaller than the sum of its proper divisors (1193363168).

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

1140874528 is a wasteful number, since it uses less digits than its factorization.

1140874528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 1140874528 is about 33776.8341914988. The cubic root of 1140874528 is about 1044.9109843821.

The spelling of 1140874528 in words is "one billion, one hundred forty million, eight hundred seventy-four thousand, five hundred twenty-eight".