40442103232 has 28 divisors (see below), whose sum is σ = 80448566560. Its totient is φ = 20171598336.

The previous prime is 40442103223. The next prime is 40442103241. The reversal of 40442103232 is 23230124404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40442103223) and next prime (40442103241).

It is a junction number, because it is equal to n+sod(n) for n = 40442103197 and 40442103206.

It is a congruent 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, 746328 + ... + 798679.

Almost surely, 2^40442103232 is an apocalyptic number.

It is an amenable number.

40442103232 is a deficient number, since it is larger than the sum of its proper divisors (40006463328).

40442103232 is a wasteful number, since it uses less digits than its factorization.

40442103232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545428 (or 1545418 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40442103232 its reverse (23230124404), we get a palindrome (63672227636).

The spelling of 40442103232 in words is "forty billion, four hundred forty-two million, one hundred three thousand, two hundred thirty-two".