252042561474 has 128 divisors (see below), whose sum is σ = 587818598400. Its totient is φ = 71277433920.

The previous prime is 252042561469. The next prime is 252042561481. The reversal of 252042561474 is 474165240252.

It is a super-3 number, since 3×252042561474³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83483937 + ... + 83486955.

It is an arithmetic number, because the mean of its divisors is an integer number (4592332800).

Almost surely, 2^252042561474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252042561474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293909299200).

252042561474 is an abundant number, since it is smaller than the sum of its proper divisors (335776036926).

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

252042561474 is a wasteful number, since it uses less digits than its factorization.

252042561474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380.

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 252042561474 in words is "two hundred fifty-two billion, forty-two million, five hundred sixty-one thousand, four hundred seventy-four".