40015133144144 has 10 divisors (see below), whose sum is σ = 77529320466810. Its totient is φ = 20007566572064.

The previous prime is 40015133144143. The next prime is 40015133144153. The reversal of 40015133144144 is 44144133151004.

It can be written as a sum of positive squares in only one way, i.e., 25870854595600 + 14144278548544 = 5086340^2 + 3760888^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40015133144143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250472910739 + ... + 1250472910770.

It is an arithmetic number, because the mean of its divisors is an integer number (7752932046681).

Almost surely, 2^{40015133144144} is an apocalyptic number.

It is an amenable number.

40015133144144 is a deficient number, since it is larger than the sum of its proper divisors (37514187322666).

40015133144144 is a wasteful number, since it uses less digits than its factorization.

40015133144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500945821517 (or 2500945821511 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 40015133144144 its reverse (44144133151004), we get a palindrome (84159266295148).

The spelling of 40015133144144 in words is "forty trillion, fifteen billion, one hundred thirty-three million, one hundred forty-four thousand, one hundred forty-four".