2251456432 has 20 divisors (see below), whose sum is σ = 4368090960. Its totient is φ = 1124207168.

The previous prime is 2251456429. The next prime is 2251456469. The reversal of 2251456432 is 2346541522.

2251456432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82807 + ... + 106582.

It is an arithmetic number, because the mean of its divisors is an integer number (218404548).

Almost surely, 2^2251456432 is an apocalyptic number.

It is an amenable number.

2251456432 is a deficient number, since it is larger than the sum of its proper divisors (2116634528).

2251456432 is a wasteful number, since it uses less digits than its factorization.

2251456432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190140 (or 190134 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 2251456432 is about 47449.5145602144. The cubic root of 2251456432 is about 1310.6533717975.

Adding to 2251456432 its reverse (2346541522), we get a palindrome (4597997954).

The spelling of 2251456432 in words is "two billion, two hundred fifty-one million, four hundred fifty-six thousand, four hundred thirty-two".