253453040154 has 96 divisors (see below), whose sum is σ = 612102801024. Its totient is φ = 75384207360.

The previous prime is 253453040051. The next prime is 253453040161. The reversal of 253453040154 is 451040354352.

253453040154 is a `hidden beast` number, since 2 + 5 + 34 + 530 + 40 + 1 + 54 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 635949 + ... + 954639.

It is an arithmetic number, because the mean of its divisors is an integer number (6376070844).

Almost surely, 2^253453040154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253453040154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306051400512).

253453040154 is an abundant number, since it is smaller than the sum of its proper divisors (358649760870).

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

253453040154 is a wasteful number, since it uses less digits than its factorization.

253453040154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318852 (or 318849 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 253453040154 in words is "two hundred fifty-three billion, four hundred fifty-three million, forty thousand, one hundred fifty-four".