542386920 has 128 divisors (see below), whose sum is σ = 1787443200. Its totient is φ = 131053824.

The previous prime is 542386919. The next prime is 542386931. The reversal of 542386920 is 29683245.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47269 + ... + 57611.

It is an arithmetic number, because the mean of its divisors is an integer number (13964400).

Almost surely, 2^542386920 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 542386920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893721600).

542386920 is an abundant number, since it is smaller than the sum of its proper divisors (1245056280).

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

542386920 is a wasteful number, since it uses less digits than its factorization.

542386920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399 (or 10395 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 542386920 is about 23289.2017896707. The cubic root of 542386920 is about 815.5233543712.

The spelling of 542386920 in words is "five hundred forty-two million, three hundred eighty-six thousand, nine hundred twenty".