42420206346 has 32 divisors (see below), whose sum is σ = 97033666560. Its totient is φ = 12110909616.

The previous prime is 42420206321. The next prime is 42420206383. The reversal of 42420206346 is 64360202424.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324826 + ... + 436293.

It is an arithmetic number, because the mean of its divisors is an integer number (3032302080).

Almost surely, 2^42420206346 is an apocalyptic number.

42420206346 is an abundant number, since it is smaller than the sum of its proper divisors (54613460214).

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

42420206346 is a wasteful number, since it uses less digits than its factorization.

42420206346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762458.

The product of its (nonzero) digits is 55296, while the sum is 33.

The spelling of 42420206346 in words is "forty-two billion, four hundred twenty million, two hundred six thousand, three hundred forty-six".