420281922432 has 32 divisors (see below), whose sum is σ = 1116373857480. Its totient is φ = 140093974016.

The previous prime is 420281922427. The next prime is 420281922433. The reversal of 420281922432 is 234229182024.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420281922433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547241703 + ... + 547242470.

Almost surely, 2^420281922432 is an apocalyptic number.

It is an amenable number.

420281922432 is an abundant number, since it is smaller than the sum of its proper divisors (696091935048).

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

420281922432 is a wasteful number, since it uses less digits than its factorization.

420281922432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094484190 (or 1094484178 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 420281922432 in words is "four hundred twenty billion, two hundred eighty-one million, nine hundred twenty-two thousand, four hundred thirty-two".