1040045656 has 16 divisors (see below), whose sum is σ = 2100092400. Its totient is φ = 480021024.

The previous prime is 1040045651. The next prime is 1040045663. The reversal of 1040045656 is 6565400401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040045651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000116 + ... + 5000323.

It is an arithmetic number, because the mean of its divisors is an integer number (131255775).

Almost surely, 2^1040045656 is an apocalyptic number.

It is an amenable number.

1040045656 is an abundant number, since it is smaller than the sum of its proper divisors (1060046744).

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

1040045656 is a wasteful number, since it uses less digits than its factorization.

1040045656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000458 (or 10000454 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1040045656 is about 32249.7388516558. The cubic root of 1040045656 is about 1013.1742295025.

The spelling of 1040045656 in words is "one billion, forty million, forty-five thousand, six hundred fifty-six".