542432656320 has 112 divisors (see below), whose sum is σ = 1723752569760. Its totient is φ = 144520298496.

The previous prime is 542432656303. The next prime is 542432656327. The reversal of 542432656320 is 23656234245.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542432656327) 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, 833604 + ... + 1334076.

Almost surely, 2^542432656320 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 542432656320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861876284880).

542432656320 is an abundant number, since it is smaller than the sum of its proper divisors (1181319913440).

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

542432656320 is a wasteful number, since it uses less digits than its factorization.

542432656320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501622 (or 501612 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 542432656320 in words is "five hundred forty-two billion, four hundred thirty-two million, six hundred fifty-six thousand, three hundred twenty".