2320451280 has 160 divisors (see below), whose sum is σ = 9134534400. Its totient is φ = 530385408.

The previous prime is 2320451251. The next prime is 2320451299. The reversal of 2320451280 is 821540232.

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

It is a congruent 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, 61615 + ... + 91854.

It is an arithmetic number, because the mean of its divisors is an integer number (57090840).

Almost surely, 2^2320451280 is an apocalyptic number.

2320451280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320451280 is an abundant number, since it is smaller than the sum of its proper divisors (6814083120).

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

2320451280 is a wasteful number, since it uses less digits than its factorization.

2320451280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153498 (or 153486 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2320451280 is about 48171.0626829012. The cubic root of 2320451280 is about 1323.9070193890.

The spelling of 2320451280 in words is "two billion, three hundred twenty million, four hundred fifty-one thousand, two hundred eighty".