420380107842 has 32 divisors (see below), whose sum is σ = 861414240960. Its totient is φ = 136685537280.

The previous prime is 420380107831. The next prime is 420380107853. The reversal of 420380107842 is 248701083024.

It is an interprime number because it is at equal distance from previous prime (420380107831) and next prime (420380107853).

It is a self number, because there is not a number n which added to its sum of digits gives 420380107842.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320909 + ... + 1607967.

It is an arithmetic number, because the mean of its divisors is an integer number (26919195030).

Almost surely, 2^420380107842 is an apocalyptic number.

420380107842 is an abundant number, since it is smaller than the sum of its proper divisors (441034133118).

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

420380107842 is a wasteful number, since it uses less digits than its factorization.

420380107842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293058.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 420380107842 in words is "four hundred twenty billion, three hundred eighty million, one hundred seven thousand, eight hundred forty-two".