40144401131 has 8 divisors (see below), whose sum is σ = 40504469040. Its totient is φ = 39784417792.

The previous prime is 40144401109. The next prime is 40144401149. The reversal of 40144401131 is 13110444104.

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

It is a cyclic number.

It is not a de Polignac number, because 40144401131 - 2⁶ = 40144401067 is a prime.

It is a super-2 number, since 2×40144401131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40144401097 and 40144401106.

It is not an unprimeable number, because it can be changed into a prime (40144401151) 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, 1299260 + ... + 1329798.

It is an arithmetic number, because the mean of its divisors is an integer number (5063058630).

Almost surely, 2^40144401131 is an apocalyptic number.

40144401131 is a deficient number, since it is larger than the sum of its proper divisors (360067909).

40144401131 is a wasteful number, since it uses less digits than its factorization.

40144401131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42285.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 40144401131 its reverse (13110444104), we get a palindrome (53254845235).

The spelling of 40144401131 in words is "forty billion, one hundred forty-four million, four hundred one thousand, one hundred thirty-one".