542400322 has 4 divisors (see below), whose sum is σ = 813600486. Its totient is φ = 271200160.

The previous prime is 542400301. The next prime is 542400337. The reversal of 542400322 is 223004245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 542377521 + 22801 = 23289^2 + 151^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 542400293 and 542400302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135600079 + ... + 135600082.

Almost surely, 2^542400322 is an apocalyptic number.

542400322 is a deficient number, since it is larger than the sum of its proper divisors (271200164).

542400322 is a wasteful number, since it uses less digits than its factorization.

542400322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271200163.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 542400322 is about 23289.4895178061. The cubic root of 542400322 is about 815.5300713191.

Adding to 542400322 its reverse (223004245), we get a palindrome (765404567).

The spelling of 542400322 in words is "five hundred forty-two million, four hundred thousand, three hundred twenty-two".