620560465854642 has 48 divisors (see below), whose sum is σ = 1364695182807840. Its totient is φ = 203775472306176.

The previous prime is 620560465854619. The next prime is 620560465854649. The reversal of 620560465854642 is 246458564065026.

620560465854642 is a `hidden beast` number, since 6 + 2 + 0 + 5 + 6 + 0 + 4 + 6 + 585 + 4 + 6 + 42 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 620560465854642.

It is not an unprimeable number, because it can be changed into a prime (620560465854649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 899659983 + ... + 900349490.

It is an arithmetic number, because the mean of its divisors is an integer number (28431149641830).

Almost surely, 2^{620560465854642} is an apocalyptic number.

620560465854642 is an abundant number, since it is smaller than the sum of its proper divisors (744134716953198).

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

620560465854642 is a wasteful number, since it uses less digits than its factorization.

620560465854642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800009767 (or 1800009764 counting only the distinct ones).

The product of its (nonzero) digits is 331776000, while the sum is 63.

The spelling of 620560465854642 in words is "six hundred twenty trillion, five hundred sixty billion, four hundred sixty-five million, eight hundred fifty-four thousand, six hundred forty-two".