2320880040 has 80 divisors (see below), whose sum is σ = 7800746580. Its totient is φ = 618900480.

The previous prime is 2320880027. The next prime is 2320880041. The reversal of 2320880040 is 400880232.

It can be written as a sum of positive squares in 2 ways, for example, as 2026620324 + 294259716 = 45018^2 + 17154^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2320879986 and 2320880013.

It is not an unprimeable number, because it can be changed into a prime (2320880041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 354921 + ... + 361400.

Almost surely, 2^2320880040 is an apocalyptic number.

2320880040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320880040 is an abundant number, since it is smaller than the sum of its proper divisors (5479866540).

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

2320880040 is a wasteful number, since it uses less digits than its factorization.

2320880040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716344 (or 716331 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2320880040 is about 48175.5128670157. The cubic root of 2320880040 is about 1323.9885557436.

The spelling of 2320880040 in words is "two billion, three hundred twenty million, eight hundred eighty thousand, forty".