538407225660 has 96 divisors (see below), whose sum is σ = 1514210745600. Its totient is φ = 142941335040.

The previous prime is 538407225649. The next prime is 538407225667. The reversal of 538407225660 is 66522704835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538407225667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12918255 + ... + 12959865.

It is an arithmetic number, because the mean of its divisors is an integer number (15773028600).

Almost surely, 2^538407225660 is an apocalyptic number.

It is an amenable number.

538407225660 is an abundant number, since it is smaller than the sum of its proper divisors (975803519940).

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

538407225660 is a wasteful number, since it uses less digits than its factorization.

538407225660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42571 (or 42569 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 538407225660 in words is "five hundred thirty-eight billion, four hundred seven million, two hundred twenty-five thousand, six hundred sixty".