42406422642 has 40 divisors (see below), whose sum is σ = 95039277696. Its totient is φ = 14132874168.

The previous prime is 42406422607. The next prime is 42406422683. The reversal of 42406422642 is 24622460424.

42406422642 is a `hidden beast` number, since 4 + 2 + 4 + 0 + 6 + 4 + 2 + 2 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42406422597 and 42406422606.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 991063 + ... + 1032965.

Almost surely, 2^42406422642 is an apocalyptic number.

42406422642 is an abundant number, since it is smaller than the sum of its proper divisors (52632855054).

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

42406422642 is a wasteful number, since it uses less digits than its factorization.

42406422642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48164 (or 48155 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 42406422642 in words is "forty-two billion, four hundred six million, four hundred twenty-two thousand, six hundred forty-two".