542521125244 has 24 divisors (see below), whose sum is σ = 1085511891968. Its totient is φ = 232408416240.

The previous prime is 542521125199. The next prime is 542521125257. The reversal of 542521125244 is 442521125245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4127364 + ... + 4256779.

Almost surely, 2^542521125244 is an apocalyptic number.

It is an amenable number.

542521125244 is an abundant number, since it is smaller than the sum of its proper divisors (542990766724).

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

542521125244 is a wasteful number, since it uses less digits than its factorization.

542521125244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386465 (or 8386463 counting only the distinct ones).

The product of its digits is 128000, while the sum is 37.

Subtracting from 542521125244 its reverse (442521125245), we obtain a palindrome (99999999999).

The spelling of 542521125244 in words is "five hundred forty-two billion, five hundred twenty-one million, one hundred twenty-five thousand, two hundred forty-four".