10401440042 has 32 divisors (see below), whose sum is σ = 18069004800. Its totient is φ = 4398346368.

The previous prime is 10401440041. The next prime is 10401440053. The reversal of 10401440042 is 24004410401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10401439996 and 10401440023.

It is not an unprimeable number, because it can be changed into a prime (10401440041) 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, 2551718 + ... + 2555790.

It is an arithmetic number, because the mean of its divisors is an integer number (564656400).

Almost surely, 2^10401440042 is an apocalyptic number.

10401440042 is a deficient number, since it is larger than the sum of its proper divisors (7667564758).

10401440042 is a wasteful number, since it uses less digits than its factorization.

10401440042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 10401440042 its reverse (24004410401), we get a palindrome (34405850443).

The spelling of 10401440042 in words is "ten billion, four hundred one million, four hundred forty thousand, forty-two".