1150831040 has 56 divisors (see below), whose sum is σ = 2760238320. Its totient is φ = 457003008.

The previous prime is 1150831001. The next prime is 1150831069. The reversal of 1150831040 is 401380511.

It is a junction number, because it is equal to n+sod(n) for n = 1150830997 and 1150831015.

It is a congruent number.

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, 31544 + ... + 57416.

It is an arithmetic number, because the mean of its divisors is an integer number (49289970).

Almost surely, 2^1150831040 is an apocalyptic number.

1150831040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150831040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380119160).

1150831040 is an abundant number, since it is smaller than the sum of its proper divisors (1609407280).

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

1150831040 is a wasteful number, since it uses less digits than its factorization.

1150831040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26029 (or 26019 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1150831040 is about 33923.9007191095. The cubic root of 1150831040 is about 1047.9418610795.

The spelling of 1150831040 in words is "one billion, one hundred fifty million, eight hundred thirty-one thousand, forty".