420040622244 has 24 divisors (see below), whose sum is σ = 989254552608. Its totient is φ = 138705002560.

The previous prime is 420040622207. The next prime is 420040622251. The reversal of 420040622244 is 442226040024.

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 7 ways as a sum of consecutive naturals, for example, 163565937 + ... + 163568504.

It is an arithmetic number, because the mean of its divisors is an integer number (41218939692).

Almost surely, 2^420040622244 is an apocalyptic number.

It is an amenable number.

420040622244 is an abundant number, since it is smaller than the sum of its proper divisors (569213930364).

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

420040622244 is a wasteful number, since it uses less digits than its factorization.

420040622244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327134555 (or 327134553 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 420040622244 its reverse (442226040024), we get a palindrome (862266662268).

The spelling of 420040622244 in words is "four hundred twenty billion, forty million, six hundred twenty-two thousand, two hundred forty-four".