253856333094 has 64 divisors (see below), whose sum is σ = 625826234880. Its totient is φ = 66849431040.

The previous prime is 253856333069. The next prime is 253856333099. The reversal of 253856333094 is 490333658352.

It is a super-2 number, since 2×253856333094² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253856333099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7054 + ... + 712574.

It is an arithmetic number, because the mean of its divisors is an integer number (9778534920).

Almost surely, 2^253856333094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253856333094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312913117440).

253856333094 is an abundant number, since it is smaller than the sum of its proper divisors (371969901786).

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

253856333094 is a wasteful number, since it uses less digits than its factorization.

253856333094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706205.

The product of its (nonzero) digits is 6998400, while the sum is 51.

The spelling of 253856333094 in words is "two hundred fifty-three billion, eight hundred fifty-six million, three hundred thirty-three thousand, ninety-four".