542390736 has 40 divisors (see below), whose sum is σ = 1403329824. Its totient is φ = 180519040.

The previous prime is 542390713. The next prime is 542390747. The reversal of 542390736 is 637093245.

It is a junction number, because it is equal to n+sod(n) for n = 542390694 and 542390703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24151 + ... + 40841.

Almost surely, 2^542390736 is an apocalyptic number.

It is an amenable number.

542390736 is an abundant number, since it is smaller than the sum of its proper divisors (860939088).

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

542390736 is a wasteful number, since it uses less digits than its factorization.

542390736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17379 (or 17373 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 542390736 is about 23289.2837159068. The cubic root of 542390736 is about 815.5252669234.

The spelling of 542390736 in words is "five hundred forty-two million, three hundred ninety thousand, seven hundred thirty-six".