1140427680 has 96 divisors (see below), whose sum is σ = 4105551744. Its totient is φ = 260668416.

The previous prime is 1140427679. The next prime is 1140427723. The reversal of 1140427680 is 867240411.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166347 + ... + 173066.

It is an arithmetic number, because the mean of its divisors is an integer number (42766164).

Almost surely, 2^1140427680 is an apocalyptic number.

1140427680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140427680 is an abundant number, since it is smaller than the sum of its proper divisors (2965124064).

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

1140427680 is a wasteful number, since it uses less digits than its factorization.

1140427680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339438 (or 339430 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1140427680 is about 33770.2188325750. The cubic root of 1140427680 is about 1044.7745459615.

The spelling of 1140427680 in words is "one billion, one hundred forty million, four hundred twenty-seven thousand, six hundred eighty".