420880285650 has 48 divisors (see below), whose sum is σ = 1138672486368. Its totient is φ = 102031584000.

The previous prime is 420880285559. The next prime is 420880285673. The reversal of 420880285650 is 56582088024.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 420880285650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127537831 + ... + 127541130.

It is an arithmetic number, because the mean of its divisors is an integer number (23722343466).

Almost surely, 2^420880285650 is an apocalyptic number.

420880285650 is an abundant number, since it is smaller than the sum of its proper divisors (717792200718).

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

420880285650 is a wasteful number, since it uses less digits than its factorization.

420880285650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255078987 (or 255078982 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 420880285650 in words is "four hundred twenty billion, eight hundred eighty million, two hundred eighty-five thousand, six hundred fifty".