40442934968 has 16 divisors (see below), whose sum is σ = 77680028160.
Its totient is φ = 19728260800.
The previous prime is 40442934901. The next prime is 40442934977. The reversal of 40442934968 is 86943924404.
40442934968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×404429349682 (a number of 22 digits) contains 22 as substring.
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, 61650488 + ... + 61651143.
It is an arithmetic number, because the mean of its divisors is an integer number (4855001760).
Almost surely, 240442934968 is an apocalyptic number.
It is an amenable number.
40442934968 is a deficient number, since it is larger than the sum of its proper divisors (37237093192).
40442934968 is a wasteful number, since it uses less digits than its factorization.
40442934968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123301678 (or 123301674 counting only the distinct ones).
The product of its (nonzero) digits is 5971968, while the sum is 53.
The spelling of 40442934968 in words is "forty billion, four hundred forty-two million, nine hundred thirty-four thousand, nine hundred sixty-eight".