253255505456 has 40 divisors (see below), whose sum is σ = 507953329680. Its totient is φ = 122176809216.

The previous prime is 253255505401. The next prime is 253255505479. The reversal of 253255505456 is 654505552352.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 253255505456.

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, 486371 + ... + 862013.

It is an arithmetic number, because the mean of its divisors is an integer number (12698833242).

Almost surely, 2^253255505456 is an apocalyptic number.

It is an amenable number.

253255505456 is an abundant number, since it is smaller than the sum of its proper divisors (254697824224).

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

253255505456 is a wasteful number, since it uses less digits than its factorization.

253255505456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377133 (or 377127 counting only the distinct ones).

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 253255505456 in words is "two hundred fifty-three billion, two hundred fifty-five million, five hundred five thousand, four hundred fifty-six".