2567231420 has 24 divisors (see below), whose sum is σ = 5805893184. Its totient is φ = 947900736.

The previous prime is 2567231389. The next prime is 2567231521. The reversal of 2567231420 is 241327652.

2567231420 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4936724 + ... + 4937243.

It is an arithmetic number, because the mean of its divisors is an integer number (241912216).

Almost surely, 2^2567231420 is an apocalyptic number.

2567231420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2567231420 is an abundant number, since it is smaller than the sum of its proper divisors (3238661764).

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

2567231420 is a wasteful number, since it uses less digits than its factorization.

2567231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9873989 (or 9873987 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2567231420 is about 50667.8539115286. The cubic root of 2567231420 is about 1369.2676249665.

The spelling of 2567231420 in words is "two billion, five hundred sixty-seven million, two hundred thirty-one thousand, four hundred twenty".