401101240542 has 32 divisors (see below), whose sum is σ = 804476188800. Its totient is φ = 133321990368.

The previous prime is 401101240517. The next prime is 401101240597. The reversal of 401101240542 is 245042101104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3006184 + ... + 3136772.

It is an arithmetic number, because the mean of its divisors is an integer number (25139880900).

Almost surely, 2^401101240542 is an apocalyptic number.

401101240542 is an abundant number, since it is smaller than the sum of its proper divisors (403374948258).

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

401101240542 is a wasteful number, since it uses less digits than its factorization.

401101240542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132040.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 401101240542 its reverse (245042101104), we get a palindrome (646143341646).

The spelling of 401101240542 in words is "four hundred one billion, one hundred one million, two hundred forty thousand, five hundred forty-two".