538342146720 has 144 divisors (see below), whose sum is σ = 2099534411520. Its totient is φ = 123049631232.

The previous prime is 538342146691. The next prime is 538342146733. The reversal of 538342146720 is 27641243835.

538342146720 is a `hidden beast` number, since 53 + 83 + 42 + 1 + 467 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26693400 + ... + 26713559.

It is an arithmetic number, because the mean of its divisors is an integer number (14580100080).

Almost surely, 2^538342146720 is an apocalyptic number.

It is an amenable number.

538342146720 is an abundant number, since it is smaller than the sum of its proper divisors (1561192264800).

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

538342146720 is a wasteful number, since it uses less digits than its factorization.

538342146720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53406987 (or 53406976 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 538342146720 in words is "five hundred thirty-eight billion, three hundred forty-two million, one hundred forty-six thousand, seven hundred twenty".