40430454434 has 8 divisors (see below), whose sum is σ = 60705789420. Its totient is φ = 20195191296.

The previous prime is 40430454419. The next prime is 40430454443. The reversal of 40430454434 is 43445403404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37889790409 + 2540664025 = 194653^2 + 50405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40430454394 and 40430454403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10015439 + ... + 10019474.

Almost surely, 2^40430454434 is an apocalyptic number.

40430454434 is a deficient number, since it is larger than the sum of its proper divisors (20275334986).

40430454434 is a wasteful number, since it uses less digits than its factorization.

40430454434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035924.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 40430454434 its reverse (43445403404), we get a palindrome (83875857838).

The spelling of 40430454434 in words is "forty billion, four hundred thirty million, four hundred fifty-four thousand, four hundred thirty-four".