525374662370820 has 24 divisors (see below), whose sum is σ = 1471049054638464. Its totient is φ = 140099909965536.

The previous prime is 525374662370819. The next prime is 525374662370827. The reversal of 525374662370820 is 28073266473525.

It is a super-2 number, since 2×525374662370820² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 8756244372847 = 525374662370820 / (5 + 2 + 5 + 3 + 7 + 4 + 6 + 6 + 2 + 3 + 7 + 0 + 8 + 2 + 0).

It is not an unprimeable number, because it can be changed into a prime (525374662370827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4378122186364 + ... + 4378122186483.

It is an arithmetic number, because the mean of its divisors is an integer number (61293710609936).

Almost surely, 2^{525374662370820} is an apocalyptic number.

It is an amenable number.

525374662370820 is an abundant number, since it is smaller than the sum of its proper divisors (945674392267644).

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

525374662370820 is a wasteful number, since it uses less digits than its factorization.

525374662370820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756244372859 (or 8756244372857 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 60.

The spelling of 525374662370820 in words is "five hundred twenty-five trillion, three hundred seventy-four billion, six hundred sixty-two million, three hundred seventy thousand, eight hundred twenty".