40423423244 has 12 divisors (see below), whose sum is σ = 70742767368. Its totient is φ = 20211204000.

The previous prime is 40423423241. The next prime is 40423423301. The reversal of 40423423244 is 44232432404.

40423423244 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-3 number, since 3×40423423244³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40423423244.

It is not an unprimeable number, because it can be changed into a prime (40423423241) 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, 95624 + ... + 299984.

It is an arithmetic number, because the mean of its divisors is an integer number (5895230614).

Almost surely, 2^40423423244 is an apocalyptic number.

It is an amenable number.

40423423244 is a deficient number, since it is larger than the sum of its proper divisors (30319344124).

40423423244 is a wasteful number, since it uses less digits than its factorization.

40423423244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253816 (or 253814 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 40423423244 its reverse (44232432404), we get a palindrome (84655855648).

The spelling of 40423423244 in words is "forty billion, four hundred twenty-three million, four hundred twenty-three thousand, two hundred forty-four".