525441042221540 has 24 divisors (see below), whose sum is σ = 1104318206654712. Its totient is φ = 210006508700160.

The previous prime is 525441042221521. The next prime is 525441042221561. The reversal of 525441042221540 is 45122240144525.

It can be written as a sum of positive squares in 4 ways, for example, as 111868867468864 + 413572174752676 = 10576808^2 + 20336474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10619236421 + ... + 10619285900.

It is an arithmetic number, because the mean of its divisors is an integer number (46013258610613).

Almost surely, 2^{525441042221540} is an apocalyptic number.

It is an amenable number.

525441042221540 is an abundant number, since it is smaller than the sum of its proper divisors (578877164433172).

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

525441042221540 is a wasteful number, since it uses less digits than its factorization.

525441042221540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21238523567 (or 21238523565 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 41.

The spelling of 525441042221540 in words is "five hundred twenty-five trillion, four hundred forty-one billion, forty-two million, two hundred twenty-one thousand, five hundred forty".