43242040446 has 32 divisors (see below), whose sum is σ = 99896053248. Its totient is φ = 12332845440.

The previous prime is 43242040441. The next prime is 43242040483. The reversal of 43242040446 is 64404024234.

It is a happy number.

43242040446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43242040441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19268950 + ... + 19271193.

It is an arithmetic number, because the mean of its divisors is an integer number (3121751664).

Almost surely, 2^43242040446 is an apocalyptic number.

43242040446 is an abundant number, since it is smaller than the sum of its proper divisors (56654012802).

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

43242040446 is a wasteful number, since it uses less digits than its factorization.

43242040446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38540176.

The product of its (nonzero) digits is 73728, while the sum is 33.

The spelling of 43242040446 in words is "forty-three billion, two hundred forty-two million, forty thousand, four hundred forty-six".