1523640323660 has 96 divisors (see below), whose sum is σ = 4065057411072. Its totient is φ = 466651964160.

The previous prime is 1523640323627. The next prime is 1523640323663. The reversal of 1523640323660 is 663230463251.

It is not an unprimeable number, because it can be changed into a prime (1523640323663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13446242 + ... + 13559081.

It is an arithmetic number, because the mean of its divisors is an integer number (42344348032).

Almost surely, 2^{1523640323660} is an apocalyptic number.

1523640323660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1523640323660 is an abundant number, since it is smaller than the sum of its proper divisors (2541417087412).

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

1523640323660 is a wasteful number, since it uses less digits than its factorization.

1523640323660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27005383 (or 27005381 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 1523640323660 in words is "one trillion, five hundred twenty-three billion, six hundred forty million, three hundred twenty-three thousand, six hundred sixty".