542987802 has 48 divisors (see below), whose sum is σ = 1380892032. Its totient is φ = 150945120.

The previous prime is 542987791. The next prime is 542987807. The reversal of 542987802 is 208789245.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (542987807) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 53574 + ... + 62897.

It is an arithmetic number, because the mean of its divisors is an integer number (28768584).

Almost surely, 2^542987802 is an apocalyptic number.

542987802 is an abundant number, since it is smaller than the sum of its proper divisors (837904230).

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

542987802 is a wasteful number, since it uses less digits than its factorization.

542987802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116523 (or 116520 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 542987802 is about 23302.0986608503. The cubic root of 542987802 is about 815.8244017335.

The spelling of 542987802 in words is "five hundred forty-two million, nine hundred eighty-seven thousand, eight hundred two".