42005016556 has 6 divisors (see below), whose sum is σ = 73508778980. Its totient is φ = 21002508276.

The previous prime is 42005016499. The next prime is 42005016577. The reversal of 42005016556 is 65561050024.

It is a super-2 number, since 2×42005016556² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250627066 + ... + 5250627073.

Almost surely, 2^42005016556 is an apocalyptic number.

It is an amenable number.

42005016556 is a deficient number, since it is larger than the sum of its proper divisors (31503762424).

42005016556 is a wasteful number, since it uses less digits than its factorization.

42005016556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501254143 (or 10501254141 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 42005016556 in words is "forty-two billion, five million, sixteen thousand, five hundred fifty-six".