252842480 has 40 divisors (see below), whose sum is σ = 641302704. Its totient is φ = 91942400.

The previous prime is 252842467. The next prime is 252842483. The reversal of 252842480 is 84248252.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 252842480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252842483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142781 + ... + 144540.

Almost surely, 2^252842480 is an apocalyptic number.

252842480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252842480 is an abundant number, since it is smaller than the sum of its proper divisors (388460224).

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

252842480 is a wasteful number, since it uses less digits than its factorization.

252842480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287345 (or 287339 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 252842480 is about 15901.0213508441. The cubic root of 252842480 is about 632.3390665769.

The spelling of 252842480 in words is "two hundred fifty-two million, eight hundred forty-two thousand, four hundred eighty".