1140000928 has 48 divisors (see below), whose sum is σ = 2460175200. Its totient is φ = 515692800.

The previous prime is 1140000919. The next prime is 1140000947. The reversal of 1140000928 is 8290000411.

It is a happy number.

It is a super-2 number, since 2×1140000928² = 2599204231681722368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66598 + ... + 81946.

It is an arithmetic number, because the mean of its divisors is an integer number (51253650).

Almost surely, 2^1140000928 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 1140000928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230087600).

1140000928 is an abundant number, since it is smaller than the sum of its proper divisors (1320174272).

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

1140000928 is a wasteful number, since it uses less digits than its factorization.

1140000928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15581 (or 15573 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1140000928 is about 33763.8997747594. The cubic root of 1140000928 is about 1044.6442102812.

The spelling of 1140000928 in words is "one billion, one hundred forty million, nine hundred twenty-eight", and thus it is an aban number.