542391903420 has 48 divisors (see below), whose sum is σ = 1521158855328. Its totient is φ = 144403409920.

The previous prime is 542391903373. The next prime is 542391903503. The reversal of 542391903420 is 24309193245.

542391903420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 7288641 + ... + 7362680.

It is an arithmetic number, because the mean of its divisors is an integer number (31690809486).

Almost surely, 2^542391903420 is an apocalyptic number.

It is an amenable number.

542391903420 is an abundant number, since it is smaller than the sum of its proper divisors (978766951908).

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

542391903420 is a wasteful number, since it uses less digits than its factorization.

542391903420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14651950 (or 14651948 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 542391903420 in words is "five hundred forty-two billion, three hundred ninety-one million, nine hundred three thousand, four hundred twenty".