542550140 has 96 divisors (see below), whose sum is σ = 1281982464. Its totient is φ = 191183360.

The previous prime is 542550137. The next prime is 542550161. The reversal of 542550140 is 41055245.

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 31 ways as a sum of consecutive naturals, for example, 1416389 + ... + 1416771.

It is an arithmetic number, because the mean of its divisors is an integer number (13353984).

Almost surely, 2^542550140 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 542550140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640991232).

542550140 is an abundant number, since it is smaller than the sum of its proper divisors (739432324).

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

542550140 is a wasteful number, since it uses less digits than its factorization.

542550140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 542550140 is about 23292.7057251836. The cubic root of 542550140 is about 815.6051510659.

The spelling of 542550140 in words is "five hundred forty-two million, five hundred fifty thousand, one hundred forty".