542644520 has 192 divisors, whose sum is σ = 1471996800. Its totient is φ = 177999360.

The previous prime is 542644513. The next prime is 542644537. The reversal of 542644520 is 25446245.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12619619 + ... + 12619661.

It is an arithmetic number, because the mean of its divisors is an integer number (7666650).

Almost surely, 2^542644520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542644520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735998400).

542644520 is an abundant number, since it is smaller than the sum of its proper divisors (929352280).

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

542644520 is a wasteful number, since it uses less digits than its factorization.

542644520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 542644520 is about 23294.7315932165. The cubic root of 542644520 is about 815.6524415345.

The spelling of 542644520 in words is "five hundred forty-two million, six hundred forty-four thousand, five hundred twenty".