40440024224 has 12 divisors (see below), whose sum is σ = 79616297754. Its totient is φ = 20220012096.

The previous prime is 40440024223. The next prime is 40440024227. The reversal of 40440024224 is 42242004404.

It can be written as a sum of positive squares in only one way, i.e., 37333968400 + 3106055824 = 193220^2 + 55732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40440024193 and 40440024202.

It is not an unprimeable number, because it can be changed into a prime (40440024223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631875347 + ... + 631875410.

Almost surely, 2^40440024224 is an apocalyptic number.

It is an amenable number.

40440024224 is a deficient number, since it is larger than the sum of its proper divisors (39176273530).

40440024224 is a wasteful number, since it uses less digits than its factorization.

40440024224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263750767 (or 1263750759 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40440024224 its reverse (42242004404), we get a palindrome (82682028628).

The spelling of 40440024224 in words is "forty billion, four hundred forty million, twenty-four thousand, two hundred twenty-four".