505225311540 has 96 divisors (see below), whose sum is σ = 1418046569856. Its totient is φ = 134401720320.

The previous prime is 505225311457. The next prime is 505225311571. The reversal of 505225311540 is 45113522505.

It is a congruent 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, 112746100 + ... + 112750580.

It is an arithmetic number, because the mean of its divisors is an integer number (14771318436).

Almost surely, 2^505225311540 is an apocalyptic number.

It is an amenable number.

505225311540 is an abundant number, since it is smaller than the sum of its proper divisors (912821258316).

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

505225311540 is a wasteful number, since it uses less digits than its factorization.

505225311540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8609 (or 8607 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 505225311540 in words is "five hundred five billion, two hundred twenty-five million, three hundred eleven thousand, five hundred forty".