542184240 has 80 divisors (see below), whose sum is σ = 1810071648. Its totient is φ = 133459968.

The previous prime is 542184229. The next prime is 542184259. The reversal of 542184240 is 42481245.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 542184198 and 542184207.

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, 83769 + ... + 90008.

Almost surely, 2^542184240 is an apocalyptic number.

It is an amenable number.

542184240 is an abundant number, since it is smaller than the sum of its proper divisors (1267887408).

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

542184240 is a wasteful number, since it uses less digits than its factorization.

542184240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173806 (or 173800 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 542184240 is about 23284.8500102534. The cubic root of 542184240 is about 815.4217596976.

The spelling of 542184240 in words is "five hundred forty-two million, one hundred eighty-four thousand, two hundred forty".