40440880004452 has 6 divisors (see below), whose sum is σ = 70771540007798. Its totient is φ = 20220440002224.

The previous prime is 40440880004387. The next prime is 40440880004453. The reversal of 40440880004452 is 25440008804404.

It can be written as a sum of positive squares in only one way, i.e., 38879514798336 + 1561365206116 = 6235344^2 + 1249546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40440880004399 and 40440880004408.

It is not an unprimeable number, because it can be changed into a prime (40440880004453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055110000553 + ... + 5055110000560.

Almost surely, 2^{40440880004452} is an apocalyptic number.

It is an amenable number.

40440880004452 is a deficient number, since it is larger than the sum of its proper divisors (30330660003346).

40440880004452 is a wasteful number, since it uses less digits than its factorization.

40440880004452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110220001117 (or 10110220001115 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 43.

Adding to 40440880004452 its reverse (25440008804404), we get a palindrome (65880888808856).

The spelling of 40440880004452 in words is "forty trillion, four hundred forty billion, eight hundred eighty million, four thousand, four hundred fifty-two".