1140670856 has 32 divisors (see below), whose sum is σ = 2312294040. Its totient is φ = 524402688.

The previous prime is 1140670849. The next prime is 1140670859. The reversal of 1140670856 is 6580760411.

It can be written as a sum of positive squares in 4 ways, for example, as 1088340100 + 52330756 = 32990^2 + 7234^2 .

It is a super-2 number, since 2×1140670856² = 2602260003455545472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140670859) 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, 5390 + ... + 48066.

Almost surely, 2^1140670856 is an apocalyptic number.

It is an amenable number.

1140670856 is an abundant number, since it is smaller than the sum of its proper divisors (1171623184).

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

1140670856 is a wasteful number, since it uses less digits than its factorization.

1140670856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42953 (or 42949 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1140670856 is about 33773.8190911244. The cubic root of 1140670856 is about 1044.8488005718.

The spelling of 1140670856 in words is "one billion, one hundred forty million, six hundred seventy thousand, eight hundred fifty-six".