542044401 has 8 divisors (see below), whose sum is σ = 729743040. Its totient is φ = 357854352.

The previous prime is 542044397. The next prime is 542044417. The reversal of 542044401 is 104440245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542044401 - 2² = 542044397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542044421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876786 + ... + 877403.

It is an arithmetic number, because the mean of its divisors is an integer number (91217880).

Almost surely, 2^542044401 is an apocalyptic number.

It is an amenable number.

542044401 is a deficient number, since it is larger than the sum of its proper divisors (187698639).

542044401 is a wasteful number, since it uses less digits than its factorization.

542044401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754295.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 542044401 is about 23281.8470272442. The cubic root of 542044401 is about 815.3516497240.

Adding to 542044401 its reverse (104440245), we get a palindrome (646484646).

The spelling of 542044401 in words is "five hundred forty-two million, forty-four thousand, four hundred one".