542220800834 has 32 divisors (see below), whose sum is σ = 860023241280. Its totient is φ = 255677867712.

The previous prime is 542220800833. The next prime is 542220800921. The reversal of 542220800834 is 438008022245.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (542220800833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10071692 + ... + 10125384.

It is an arithmetic number, because the mean of its divisors is an integer number (26875726290).

Almost surely, 2^542220800834 is an apocalyptic number.

542220800834 is a deficient number, since it is larger than the sum of its proper divisors (317802440446).

542220800834 is a wasteful number, since it uses less digits than its factorization.

542220800834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54914.

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 542220800834 in words is "five hundred forty-two billion, two hundred twenty million, eight hundred thousand, eight hundred thirty-four".