253311540354 has 64 divisors (see below), whose sum is σ = 571076904960. Its totient is φ = 83213802000.

The previous prime is 253311540337. The next prime is 253311540367. The reversal of 253311540354 is 453045113352.

253311540354 is a `hidden beast` number, since 2 + 53 + 3 + 11 + 540 + 3 + 54 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10381789 + ... + 10406159.

It is an arithmetic number, because the mean of its divisors is an integer number (8923076640).

Almost surely, 2^253311540354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253311540354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285538452480).

253311540354 is an abundant number, since it is smaller than the sum of its proper divisors (317765364606).

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

253311540354 is a wasteful number, since it uses less digits than its factorization.

253311540354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27164 (or 27158 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 253311540354 in words is "two hundred fifty-three billion, three hundred eleven million, five hundred forty thousand, three hundred fifty-four".