42408856312 has 16 divisors (see below), whose sum is σ = 79675965000. Its totient is φ = 21161932320.

The previous prime is 42408856289. The next prime is 42408856361. The reversal of 42408856312 is 21365880424.

It is a happy number.

It is a super-2 number, since 2×42408856312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5307739 + ... + 5315722.

Almost surely, 2^42408856312 is an apocalyptic number.

It is an amenable number.

42408856312 is a deficient number, since it is larger than the sum of its proper divisors (37267108688).

42408856312 is a wasteful number, since it uses less digits than its factorization.

42408856312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623966 (or 10623962 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 42408856312 in words is "forty-two billion, four hundred eight million, eight hundred fifty-six thousand, three hundred twelve".