40243244264 has 16 divisors (see below), whose sum is σ = 75502656420. Its totient is φ = 20109202560.

The previous prime is 40243244231. The next prime is 40243244281. The reversal of 40243244264 is 46244234204.

It can be written as a sum of positive squares in 2 ways, for example, as 39796260100 + 446984164 = 199490^2 + 21142^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 1538669 + ... + 1564604.

Almost surely, 2^40243244264 is an apocalyptic number.

It is an amenable number.

40243244264 is a deficient number, since it is larger than the sum of its proper divisors (35259412156).

40243244264 is a wasteful number, since it uses less digits than its factorization.

40243244264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104900 (or 3104896 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 40243244264 its reverse (46244234204), we get a palindrome (86487478468).

The spelling of 40243244264 in words is "forty billion, two hundred forty-three million, two hundred forty-four thousand, two hundred sixty-four".