1040561670660 has 96 divisors (see below), whose sum is σ = 3004089403392. Its totient is φ = 268960997760.

The previous prime is 1040561670647. The next prime is 1040561670727. The reversal of 1040561670660 is 660761650401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1201404 + ... + 1877363.

It is an arithmetic number, because the mean of its divisors is an integer number (31292597952).

Almost surely, 2^{1040561670660} is an apocalyptic number.

1040561670660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040561670660 is an abundant number, since it is smaller than the sum of its proper divisors (1963527732732).

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

1040561670660 is a wasteful number, since it uses less digits than its factorization.

1040561670660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078953 (or 3078951 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 1040561670660 in words is "one trillion, forty billion, five hundred sixty-one million, six hundred seventy thousand, six hundred sixty".