542321428768 has 96 divisors (see below), whose sum is σ = 1236855312000. Its totient is φ = 229274302464.

The previous prime is 542321428751. The next prime is 542321428777. The reversal of 542321428768 is 867824123245.

It is a super-2 number, since 2×542321428768² (a number of 24 digits) contains 22 as substring.

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, 5493508 + ... + 5591356.

It is an arithmetic number, because the mean of its divisors is an integer number (12883909500).

Almost surely, 2^542321428768 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 542321428768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618427656000).

542321428768 is an abundant number, since it is smaller than the sum of its proper divisors (694533883232).

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

542321428768 is a wasteful number, since it uses less digits than its factorization.

542321428768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98202 (or 98194 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 52.

The spelling of 542321428768 in words is "five hundred forty-two billion, three hundred twenty-one million, four hundred twenty-eight thousand, seven hundred sixty-eight".