525474281380 has 48 divisors (see below), whose sum is σ = 1105282402560. Its totient is φ = 209849739008.

The previous prime is 525474281363. The next prime is 525474281411. The reversal of 525474281380 is 83182474525.

It is a super-3 number, since 3×525474281380³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33067797 + ... + 33083683.

It is an arithmetic number, because the mean of its divisors is an integer number (23026716720).

Almost surely, 2^525474281380 is an apocalyptic number.

It is an amenable number.

525474281380 is an abundant number, since it is smaller than the sum of its proper divisors (579808121180).

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

525474281380 is a wasteful number, since it uses less digits than its factorization.

525474281380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18468 (or 18466 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 525474281380 in words is "five hundred twenty-five billion, four hundred seventy-four million, two hundred eighty-one thousand, three hundred eighty".