2451565280 has 48 divisors (see below), whose sum is σ = 5796372960. Its totient is φ = 979855872.

The previous prime is 2451565279. The next prime is 2451565289. The reversal of 2451565280 is 825651542.

2451565280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451565289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226226 + ... + 236814.

It is an arithmetic number, because the mean of its divisors is an integer number (120757770).

Almost surely, 2^2451565280 is an apocalyptic number.

2451565280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451565280 is an abundant number, since it is smaller than the sum of its proper divisors (3344807680).

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

2451565280 is a wasteful number, since it uses less digits than its factorization.

2451565280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12051 (or 12043 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 2451565280 is about 49513.2838741282. The cubic root of 2451565280 is about 1348.3867844935.

The spelling of 2451565280 in words is "two billion, four hundred fifty-one million, five hundred sixty-five thousand, two hundred eighty".