2530401856 has 56 divisors (see below), whose sum is σ = 5547847680. Its totient is φ = 1138993152.

The previous prime is 2530401851. The next prime is 2530401859. The reversal of 2530401856 is 6581040352.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (2530401851) 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, 25536 + ... + 75583.

Almost surely, 2^2530401856 is an apocalyptic number.

It is an amenable number.

2530401856 is an abundant number, since it is smaller than the sum of its proper divisors (3017445824).

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

2530401856 is a wasteful number, since it uses less digits than its factorization.

2530401856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101171 (or 101161 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2530401856 is about 50303.0998647201. The cubic root of 2530401856 is about 1362.6882123185.

The spelling of 2530401856 in words is "two billion, five hundred thirty million, four hundred one thousand, eight hundred fifty-six".