40443552341252 has 24 divisors (see below), whose sum is σ = 72689599257240. Its totient is φ = 19675103109120.

The previous prime is 40443552341149. The next prime is 40443552341293. The reversal of 40443552341252 is 25214325534404.

It can be written as a sum of positive squares in 4 ways, for example, as 1211443630336 + 39232108710916 = 1100656^2 + 6263554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21961502 + ... + 23731722.

It is an arithmetic number, because the mean of its divisors is an integer number (3028733302385).

Almost surely, 2^{40443552341252} is an apocalyptic number.

It is an amenable number.

40443552341252 is a deficient number, since it is larger than the sum of its proper divisors (32246046915988).

40443552341252 is a wasteful number, since it uses less digits than its factorization.

40443552341252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924631 (or 1924629 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 40443552341252 its reverse (25214325534404), we get a palindrome (65657877875656).

The spelling of 40443552341252 in words is "forty trillion, four hundred forty-three billion, five hundred fifty-two million, three hundred forty-one thousand, two hundred fifty-two".