401534542 has 8 divisors (see below), whose sum is σ = 602573616. Its totient is φ = 200676672.

The previous prime is 401534501. The next prime is 401534561. The reversal of 401534542 is 245435104.

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

It is a super-2 number, since 2×401534542² = 322459976838299528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401534542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39618 + ... + 48709.

It is an arithmetic number, because the mean of its divisors is an integer number (75321702).

Almost surely, 2^401534542 is an apocalyptic number.

401534542 is a deficient number, since it is larger than the sum of its proper divisors (201039074).

401534542 is a wasteful number, since it uses less digits than its factorization.

401534542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90602.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 401534542 is about 20038.3268263595. The cubic root of 401534542 is about 737.7473142408.

Adding to 401534542 its reverse (245435104), we get a palindrome (646969646).

The spelling of 401534542 in words is "four hundred one million, five hundred thirty-four thousand, five hundred forty-two".