40234401234 has 48 divisors (see below), whose sum is σ = 90232735320. Its totient is φ = 12941510400.

The previous prime is 40234401203. The next prime is 40234401247. The reversal of 40234401234 is 43210443204.

It is a happy number.

40234401234 is a `hidden beast` number, since 4 + 0 + 23 + 4 + 401 + 234 = 666.

40234401234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 36985059225 + 3249342009 = 192315^2 + 57003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40234401198 and 40234401207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 918724 + ... + 961520.

Almost surely, 2^40234401234 is an apocalyptic number.

40234401234 is an abundant number, since it is smaller than the sum of its proper divisors (49998334086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40234401234 is a wasteful number, since it uses less digits than its factorization.

40234401234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44635 (or 44632 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40234401234 its reverse (43210443204), we get a palindrome (83444844438).

The spelling of 40234401234 in words is "forty billion, two hundred thirty-four million, four hundred one thousand, two hundred thirty-four".