40243433450 has 96 divisors (see below), whose sum is σ = 82935048960. Its totient is φ = 14406163200.

The previous prime is 40243433423. The next prime is 40243433453. The reversal of 40243433450 is 5433434204.

It is not an unprimeable number, because it can be changed into a prime (40243433453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17248484 + ... + 17250816.

It is an arithmetic number, because the mean of its divisors is an integer number (863906760).

Almost surely, 2^40243433450 is an apocalyptic number.

40243433450 is an abundant number, since it is smaller than the sum of its proper divisors (42691615510).

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

40243433450 is a wasteful number, since it uses less digits than its factorization.

40243433450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 40243433450 its reverse (5433434204), we get a palindrome (45676867654).

The spelling of 40243433450 in words is "forty billion, two hundred forty-three million, four hundred thirty-three thousand, four hundred fifty".