1158795940 has 24 divisors (see below), whose sum is σ = 2561549760. Its totient is φ = 439122528.

The previous prime is 1158795929. The next prime is 1158795943. The reversal of 1158795940 is 495978511.

It is not an unprimeable number, because it can be changed into a prime (1158795943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524352 + ... + 1525111.

It is an arithmetic number, because the mean of its divisors is an integer number (106731240).

Almost surely, 2^1158795940 is an apocalyptic number.

1158795940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158795940 is an abundant number, since it is smaller than the sum of its proper divisors (1402753820).

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

1158795940 is a wasteful number, since it uses less digits than its factorization.

1158795940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049491 (or 3049489 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 49.

The square root of 1158795940 is about 34041.0919331328. The cubic root of 1158795940 is about 1050.3539064003.

The spelling of 1158795940 in words is "one billion, one hundred fifty-eight million, seven hundred ninety-five thousand, nine hundred forty".