2321560040 has 32 divisors (see below), whose sum is σ = 5225796000. Its totient is φ = 928217664.

The previous prime is 2321560037. The next prime is 2321560051. The reversal of 2321560040 is 400651232.

It is a junction number, because it is equal to n+sod(n) for n = 2321559988 and 2321560015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90131 + ... + 112989.

It is an arithmetic number, because the mean of its divisors is an integer number (163306125).

Almost surely, 2^2321560040 is an apocalyptic number.

2321560040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321560040 is an abundant number, since it is smaller than the sum of its proper divisors (2904235960).

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

2321560040 is a wasteful number, since it uses less digits than its factorization.

2321560040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25409 (or 25405 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2321560040 is about 48182.5698774982. The cubic root of 2321560040 is about 1324.1178492715.

The spelling of 2321560040 in words is "two billion, three hundred twenty-one million, five hundred sixty thousand, forty".