40003142444 has 12 divisors (see below), whose sum is σ = 71897540064. Its totient is φ = 19460988144.

The previous prime is 40003142429. The next prime is 40003142513. The reversal of 40003142444 is 44424130004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135145604 + ... + 135145899.

It is an arithmetic number, because the mean of its divisors is an integer number (5991461672).

Almost surely, 2^40003142444 is an apocalyptic number.

It is an amenable number.

40003142444 is a deficient number, since it is larger than the sum of its proper divisors (31894397620).

40003142444 is a wasteful number, since it uses less digits than its factorization.

40003142444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270291544 (or 270291542 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40003142444 its reverse (44424130004), we get a palindrome (84427272448).

The spelling of 40003142444 in words is "forty billion, three million, one hundred forty-two thousand, four hundred forty-four".