542405830 has 16 divisors (see below), whose sum is σ = 988095024. Its totient is φ = 214348000.

The previous prime is 542405807. The next prime is 542405837. The reversal of 542405830 is 38504245.

It is a junction number, because it is equal to n+sod(n) for n = 542405792 and 542405801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542405837) 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, 325921 + ... + 327580.

It is an arithmetic number, because the mean of its divisors is an integer number (61755939).

Almost surely, 2^542405830 is an apocalyptic number.

542405830 is a deficient number, since it is larger than the sum of its proper divisors (445689194).

542405830 is a wasteful number, since it uses less digits than its factorization.

542405830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653591.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 542405830 is about 23289.6077682730. The cubic root of 542405830 is about 815.5328318413.

The spelling of 542405830 in words is "five hundred forty-two million, four hundred five thousand, eight hundred thirty".