542543694 has 32 divisors (see below), whose sum is σ = 1352837376. Its totient is φ = 140920320.

The previous prime is 542543671. The next prime is 542543723. The reversal of 542543694 is 496345245.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 586707 + ... + 587630.

It is an arithmetic number, because the mean of its divisors is an integer number (42276168).

Almost surely, 2^542543694 is an apocalyptic number.

542543694 is an abundant number, since it is smaller than the sum of its proper divisors (810293682).

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

542543694 is a wasteful number, since it uses less digits than its factorization.

542543694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174360.

The product of its digits is 518400, while the sum is 42.

The square root of 542543694 is about 23292.5673552745. The cubic root of 542543694 is about 815.6019210040.

The spelling of 542543694 in words is "five hundred forty-two million, five hundred forty-three thousand, six hundred ninety-four".