542013720 has 96 divisors (see below), whose sum is σ = 1727427600. Its totient is φ = 136026112.

The previous prime is 542013643. The next prime is 542013739. The reversal of 542013720 is 27310245.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26866 + ... + 42494.

Almost surely, 2^542013720 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 542013720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863713800).

542013720 is an abundant number, since it is smaller than the sum of its proper divisors (1185413880).

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

542013720 is a wasteful number, since it uses less digits than its factorization.

542013720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15677 (or 15656 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 542013720 is about 23281.1881140117. The cubic root of 542013720 is about 815.3362658207.

Adding to 542013720 its reverse (27310245), we get a palindrome (569323965).

The spelling of 542013720 in words is "five hundred forty-two million, thirteen thousand, seven hundred twenty".