542344572 has 120 divisors (see below), whose sum is σ = 1767722880. Its totient is φ = 140862240.

The previous prime is 542344567. The next prime is 542344589. The reversal of 542344572 is 275443245.

542344572 is a `hidden beast` number, since 5 + 42 + 3 + 44 + 572 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 14079 + ... + 35817.

It is an arithmetic number, because the mean of its divisors is an integer number (14731024).

Almost surely, 2^542344572 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 542344572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883861440).

542344572 is an abundant number, since it is smaller than the sum of its proper divisors (1225378308).

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

542344572 is a wasteful number, since it uses less digits than its factorization.

542344572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21773 (or 21762 counting only the distinct ones).

The product of its digits is 134400, while the sum is 36.

The square root of 542344572 is about 23288.2925952076. The cubic root of 542344572 is about 815.5021292515.

The spelling of 542344572 in words is "five hundred forty-two million, three hundred forty-four thousand, five hundred seventy-two".