542230331646 has 16 divisors (see below), whose sum is σ = 1097526455424. Its totient is φ = 178565811864.

The previous prime is 542230331641. The next prime is 542230331677. The reversal of 542230331646 is 646133032245.

It is a super-2 number, since 2×542230331646² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542230331641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544407466 + ... + 544408461.

It is an arithmetic number, because the mean of its divisors is an integer number (68595403464).

Almost surely, 2^542230331646 is an apocalyptic number.

542230331646 is an abundant number, since it is smaller than the sum of its proper divisors (555296123778).

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

542230331646 is a wasteful number, since it uses less digits than its factorization.

542230331646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088816015.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 542230331646 in words is "five hundred forty-two billion, two hundred thirty million, three hundred thirty-one thousand, six hundred forty-six".