42620604556 has 6 divisors (see below), whose sum is σ = 74586057980. Its totient is φ = 21310302276.

The previous prime is 42620604553. The next prime is 42620604557. The reversal of 42620604556 is 65540602624.

It is not an unprimeable number, because it can be changed into a prime (42620604553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5327575566 + ... + 5327575573.

Almost surely, 2^42620604556 is an apocalyptic number.

It is an amenable number.

42620604556 is a deficient number, since it is larger than the sum of its proper divisors (31965453424).

42620604556 is a wasteful number, since it uses less digits than its factorization.

42620604556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655151143 (or 10655151141 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 42620604556 in words is "forty-two billion, six hundred twenty million, six hundred four thousand, five hundred fifty-six".