40003450434 has 24 divisors (see below), whose sum is σ = 86753629872. Its totient is φ = 13322254680.

The previous prime is 40003450427. The next prime is 40003450451. The reversal of 40003450434 is 43405430004.

It is a junction number, because it is equal to n+sod(n) for n = 40003450398 and 40003450407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 998884 + ... + 1038159.

It is an arithmetic number, because the mean of its divisors is an integer number (3614734578).

Almost surely, 2^40003450434 is an apocalyptic number.

40003450434 is an abundant number, since it is smaller than the sum of its proper divisors (46750179438).

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

40003450434 is a wasteful number, since it uses less digits than its factorization.

40003450434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038142 (or 2038139 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 40003450434 its reverse (43405430004), we get a palindrome (83408880438).

The spelling of 40003450434 in words is "forty billion, three million, four hundred fifty thousand, four hundred thirty-four".