2555626306432 has 32 divisors (see below), whose sum is σ = 5255521848000. Its totient is φ = 1236593372160.

The previous prime is 2555626306423. The next prime is 2555626306507. The reversal of 2555626306432 is 2346036265552.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 322025557 + ... + 322033492.

It is an arithmetic number, because the mean of its divisors is an integer number (164235057750).

Almost surely, 2^{2555626306432} is an apocalyptic number.

It is an amenable number.

2555626306432 is an abundant number, since it is smaller than the sum of its proper divisors (2699895541568).

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

2555626306432 is an equidigital number, since it uses as much as digits as its factorization.

2555626306432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644059094 (or 644059082 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 49.

The spelling of 2555626306432 in words is "two trillion, five hundred fifty-five billion, six hundred twenty-six million, three hundred six thousand, four hundred thirty-two".