542390100 has 144 divisors (see below), whose sum is σ = 1899128448. Its totient is φ = 116674560.

The previous prime is 542390081. The next prime is 542390129. The reversal of 542390100 is 1093245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28104 + ... + 43296.

It is an arithmetic number, because the mean of its divisors is an integer number (13188392).

Almost surely, 2^542390100 is an apocalyptic number.

542390100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542390100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949564224).

542390100 is an abundant number, since it is smaller than the sum of its proper divisors (1356738348).

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

542390100 is a wasteful number, since it uses less digits than its factorization.

542390100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234 (or 15227 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 542390100 is about 23289.2700615541. The cubic root of 542390100 is about 815.5249481653.

The spelling of 542390100 in words is "five hundred forty-two million, three hundred ninety thousand, one hundred".