40240111312 has 20 divisors (see below), whose sum is σ = 80072384836. Its totient is φ = 19576270080.

The previous prime is 40240111309. The next prime is 40240111319. The reversal of 40240111312 is 21311104204.

It can be written as a sum of positive squares in 2 ways, for example, as 35696812096 + 4543299216 = 188936^2 + 67404^2 .

It is a super-2 number, since 2×40240111312² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40240111312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240111319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33985989 + ... + 33987172.

Almost surely, 2^40240111312 is an apocalyptic number.

It is an amenable number.

40240111312 is a deficient number, since it is larger than the sum of its proper divisors (39832273524).

40240111312 is a wasteful number, since it uses less digits than its factorization.

40240111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67973206 (or 67973200 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 40240111312 its reverse (21311104204), we get a palindrome (61551215516).

The spelling of 40240111312 in words is "forty billion, two hundred forty million, one hundred eleven thousand, three hundred twelve".