4000144400142 has 64 divisors (see below), whose sum is σ = 9029020872960. Its totient is φ = 1170303724800.

The previous prime is 4000144400137. The next prime is 4000144400149. The reversal of 4000144400142 is 2410044410004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000144400149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45572517 + ... + 45660207.

It is an arithmetic number, because the mean of its divisors is an integer number (141078451140).

Almost surely, 2^{4000144400142} is an apocalyptic number.

4000144400142 is an abundant number, since it is smaller than the sum of its proper divisors (5028876472818).

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

4000144400142 is a wasteful number, since it uses less digits than its factorization.

4000144400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111569.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 4000144400142 its reverse (2410044410004), we get a palindrome (6410188810146).

The spelling of 4000144400142 in words is "four trillion, one hundred forty-four million, four hundred thousand, one hundred forty-two".