1140911044 has 48 divisors (see below), whose sum is σ = 2564206848. Its totient is φ = 431722368.

The previous prime is 1140911003. The next prime is 1140911063. The reversal of 1140911044 is 4401190411.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59767 + ... + 76510.

It is an arithmetic number, because the mean of its divisors is an integer number (53420976).

Almost surely, 2^1140911044 is an apocalyptic number.

1140911044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1140911044 is an abundant number, since it is smaller than the sum of its proper divisors (1423295804).

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

1140911044 is a wasteful number, since it uses less digits than its factorization.

1140911044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136324 (or 136322 counting only the distinct ones).

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

The square root of 1140911044 is about 33777.3747351685. The cubic root of 1140911044 is about 1044.9221324273.

The spelling of 1140911044 in words is "one billion, one hundred forty million, nine hundred eleven thousand, forty-four".