19760457255 has 128 divisors (see below), whose sum is σ = 40800485376. Its totient is φ = 7925644800.

The previous prime is 19760457251. The next prime is 19760457289. The reversal of 19760457255 is 55275406791.

It is not a de Polignac number, because 19760457255 - 2² = 19760457251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19760457198 and 19760457207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19760457251) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23165409 + ... + 23166261.

It is an arithmetic number, because the mean of its divisors is an integer number (318753792).

Almost surely, 2^19760457255 is an apocalyptic number.

19760457255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19760457255 is an abundant number, since it is smaller than the sum of its proper divisors (21040028121).

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

19760457255 is a wasteful number, since it uses less digits than its factorization.

19760457255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 19760457255 in words is "nineteen billion, seven hundred sixty million, four hundred fifty-seven thousand, two hundred fifty-five".