538655387760 has 120 divisors (see below), whose sum is σ = 2067410698080. Its totient is φ = 123121230336.

The previous prime is 538655387749. The next prime is 538655387779. The reversal of 538655387760 is 67783556835.

It is a happy number.

538655387760 is a `hidden beast` number, since 5 + 3 + 8 + 6 + 553 + 8 + 7 + 76 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53432995 + ... + 53443074.

It is an arithmetic number, because the mean of its divisors is an integer number (17228422484).

Almost surely, 2^538655387760 is an apocalyptic number.

It is an amenable number.

538655387760 is an abundant number, since it is smaller than the sum of its proper divisors (1528755310320).

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

538655387760 is a wasteful number, since it uses less digits than its factorization.

538655387760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106876095 (or 106876086 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 63.

The spelling of 538655387760 in words is "five hundred thirty-eight billion, six hundred fifty-five million, three hundred eighty-seven thousand, seven hundred sixty".