40423025434 has 16 divisors (see below), whose sum is σ = 66153705696. Its totient is φ = 18372175600.

The previous prime is 40423025413. The next prime is 40423025473. The reversal of 40423025434 is 43452032404.

40423025434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40423025396 and 40423025405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130029 + ... + 312655.

It is an arithmetic number, because the mean of its divisors is an integer number (4134606606).

Almost surely, 2^40423025434 is an apocalyptic number.

40423025434 is a deficient number, since it is larger than the sum of its proper divisors (25730680262).

40423025434 is a wasteful number, since it uses less digits than its factorization.

40423025434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192701.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 40423025434 its reverse (43452032404), we get a palindrome (83875057838).

The spelling of 40423025434 in words is "forty billion, four hundred twenty-three million, twenty-five thousand, four hundred thirty-four".