542372740 has 96 divisors (see below), whose sum is σ = 1408942080. Its totient is φ = 170781696.

The previous prime is 542372731. The next prime is 542372741. The reversal of 542372740 is 47273245.

It is a junction number, because it is equal to n+sod(n) for n = 542372696 and 542372705.

It is not an unprimeable number, because it can be changed into a prime (542372741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423421 + ... + 424699.

It is an arithmetic number, because the mean of its divisors is an integer number (14676480).

Almost surely, 2^542372740 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 542372740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704471040).

542372740 is an abundant number, since it is smaller than the sum of its proper divisors (866569340).

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

542372740 is a wasteful number, since it uses less digits than its factorization.

542372740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 542372740 is about 23288.8973547482. The cubic root of 542372740 is about 815.5162473771.

The spelling of 542372740 in words is "five hundred forty-two million, three hundred seventy-two thousand, seven hundred forty".