40430013400144 has 10 divisors (see below), whose sum is σ = 78333150962810. Its totient is φ = 20215006700064.

The previous prime is 40430013400123. The next prime is 40430013400229. The reversal of 40430013400144 is 44100431003404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38337396558400 + 2092616841744 = 6191720^2 + 1446588^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263437918739 + ... + 1263437918770.

It is an arithmetic number, because the mean of its divisors is an integer number (7833315096281).

Almost surely, 2^{40430013400144} is an apocalyptic number.

It is an amenable number.

40430013400144 is a deficient number, since it is larger than the sum of its proper divisors (37903137562666).

40430013400144 is a wasteful number, since it uses less digits than its factorization.

40430013400144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526875837517 (or 2526875837511 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40430013400144 its reverse (44100431003404), we get a palindrome (84530444403548).

The spelling of 40430013400144 in words is "forty trillion, four hundred thirty billion, thirteen million, four hundred thousand, one hundred forty-four".