40432240312343 has 18 divisors (see below), whose sum is σ = 46458323789472. Its totient is φ = 35158469781160.

The previous prime is 40432240312333. The next prime is 40432240312367. The reversal of 40432240312343 is 34321304223404.

It is not a de Polignac number, because 40432240312343 - 2²⁶ = 40432173203479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40432240312333) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 315768455 + ... + 315896472.

It is an arithmetic number, because the mean of its divisors is an integer number (2581017988304).

Almost surely, 2^{40432240312343} is an apocalyptic number.

40432240312343 is a deficient number, since it is larger than the sum of its proper divisors (6026083477129).

40432240312343 is a wasteful number, since it uses less digits than its factorization.

40432240312343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631664995 (or 631664961 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 40432240312343 its reverse (34321304223404), we get a palindrome (74753544535747).

The spelling of 40432240312343 in words is "forty trillion, four hundred thirty-two billion, two hundred forty million, three hundred twelve thousand, three hundred forty-three".