542625443420 has 24 divisors (see below), whose sum is σ = 1147831053264. Its totient is φ = 215465868416.

The previous prime is 542625443411. The next prime is 542625443471. The reversal of 542625443420 is 24344526245.

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, 99016502 + ... + 99021981.

It is an arithmetic number, because the mean of its divisors is an integer number (47826293886).

Almost surely, 2^542625443420 is an apocalyptic number.

It is an amenable number.

542625443420 is an abundant number, since it is smaller than the sum of its proper divisors (605205609844).

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

542625443420 is a wasteful number, since it uses less digits than its factorization.

542625443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198038629 (or 198038627 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 542625443420 its reverse (24344526245), we get a palindrome (566969969665).

The spelling of 542625443420 in words is "five hundred forty-two billion, six hundred twenty-five million, four hundred forty-three thousand, four hundred twenty".