42420295756 has 12 divisors (see below), whose sum is σ = 74365531240. Its totient is φ = 21173001120.

The previous prime is 42420295741. The next prime is 42420295759. The reversal of 42420295756 is 65759202424.

It is a super-2 number, since 2×42420295756² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42420295759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9284121 + ... + 9288688.

Almost surely, 2^42420295756 is an apocalyptic number.

It is an amenable number.

42420295756 is a deficient number, since it is larger than the sum of its proper divisors (31945235484).

42420295756 is a wasteful number, since it uses less digits than its factorization.

42420295756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18573384 (or 18573382 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 42420295756 in words is "forty-two billion, four hundred twenty million, two hundred ninety-five thousand, seven hundred fifty-six".