420349343064 has 64 divisors (see below), whose sum is σ = 1218923500800. Its totient is φ = 118307274624.

The previous prime is 420349343023. The next prime is 420349343101. The reversal of 420349343064 is 460343943024.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 18660979 + ... + 18683490.

It is an arithmetic number, because the mean of its divisors is an integer number (19045679700).

Almost surely, 2^420349343064 is an apocalyptic number.

It is an amenable number.

420349343064 is an abundant number, since it is smaller than the sum of its proper divisors (798574157736).

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

420349343064 is a wasteful number, since it uses less digits than its factorization.

420349343064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37344552 (or 37344548 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 42.

The spelling of 420349343064 in words is "four hundred twenty billion, three hundred forty-nine million, three hundred forty-three thousand, sixty-four".