542080812 has 96 divisors (see below), whose sum is σ = 1561176064. Its totient is φ = 142560000.

The previous prime is 542080801. The next prime is 542080817. The reversal of 542080812 is 218080245.

It is a self number, because there is not a number n which added to its sum of digits gives 542080812.

It is not an unprimeable number, because it can be changed into a prime (542080817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721437 + ... + 722187.

Almost surely, 2^542080812 is an apocalyptic number.

542080812 is a gapful number since it is divisible by the number (52) 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 542080812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780588032).

542080812 is an abundant number, since it is smaller than the sum of its proper divisors (1019095252).

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

542080812 is a wasteful number, since it uses less digits than its factorization.

542080812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 542080812 is about 23282.6289752682. The cubic root of 542080812 is about 815.3699059801.

The spelling of 542080812 in words is "five hundred forty-two million, eighty thousand, eight hundred twelve".