40431353245 has 8 divisors (see below), whose sum is σ = 48520581984. Its totient is φ = 32343110544.

The previous prime is 40431353239. The next prime is 40431353257. The reversal of 40431353245 is 54235313404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40431353245 - 2¹⁷ = 40431222173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40431353245.

It is a congruent number.

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, 153079 + ... + 322948.

It is an arithmetic number, because the mean of its divisors is an integer number (6065072748).

Almost surely, 2^40431353245 is an apocalyptic number.

It is an amenable number.

40431353245 is a deficient number, since it is larger than the sum of its proper divisors (8089228739).

40431353245 is a wasteful number, since it uses less digits than its factorization.

40431353245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493019.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 40431353245 its reverse (54235313404), we get a palindrome (94666666649).

The spelling of 40431353245 in words is "forty billion, four hundred thirty-one million, three hundred fifty-three thousand, two hundred forty-five".