253924791858 has 48 divisors (see below), whose sum is σ = 572063371776. Its totient is φ = 81313306560.

The previous prime is 253924791853. The next prime is 253924791859. The reversal of 253924791858 is 858197429352.

253924791858 is a `hidden beast` number, since 2 + 539 + 2 + 4 + 7 + 91 + 8 + 5 + 8 = 666.

253924791858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 253924791795 and 253924791804.

It is not an unprimeable number, because it can be changed into a prime (253924791853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1584366 + ... + 1737257.

It is an arithmetic number, because the mean of its divisors is an integer number (11917986912).

Almost surely, 2^253924791858 is an apocalyptic number.

253924791858 is an abundant number, since it is smaller than the sum of its proper divisors (318138579918).

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

253924791858 is a wasteful number, since it uses less digits than its factorization.

253924791858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321799 (or 3321796 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 253924791858 in words is "two hundred fifty-three billion, nine hundred twenty-four million, seven hundred ninety-one thousand, eight hundred fifty-eight".