542540328 has 64 divisors (see below), whose sum is σ = 1483315200. Its totient is φ = 163999680.

The previous prime is 542540311. The next prime is 542540359. The reversal of 542540328 is 823045245.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114633 + ... + 119271.

It is an arithmetic number, because the mean of its divisors is an integer number (23176800).

Almost surely, 2^542540328 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 542540328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741657600).

542540328 is an abundant number, since it is smaller than the sum of its proper divisors (940774872).

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

542540328 is a wasteful number, since it uses less digits than its factorization.

542540328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 542540328 is about 23292.4951003537. The cubic root of 542540328 is about 815.6002343062.

It can be divided in two parts, 5425 and 40328, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 542540328 in words is "five hundred forty-two million, five hundred forty thousand, three hundred twenty-eight".