420732025792 has 112 divisors (see below), whose sum is σ = 929144224512. Its totient is φ = 187711856640.

The previous prime is 420732025783. The next prime is 420732025793. The reversal of 420732025792 is 297520237024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420732025793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24571218 + ... + 24588334.

It is an arithmetic number, because the mean of its divisors is an integer number (8295930576).

Almost surely, 2^420732025792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420732025792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464572112256).

420732025792 is an abundant number, since it is smaller than the sum of its proper divisors (508412198720).

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

420732025792 is a wasteful number, since it uses less digits than its factorization.

420732025792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18126 (or 18116 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 420732025792 in words is "four hundred twenty billion, seven hundred thirty-two million, twenty-five thousand, seven hundred ninety-two".