43542243424 has 48 divisors (see below), whose sum is σ = 87090374448. Its totient is φ = 21425375232.

The previous prime is 43542243389. The next prime is 43542243427. The reversal of 43542243424 is 42434224534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43542243427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047159 + ... + 1087945.

It is an arithmetic number, because the mean of its divisors is an integer number (1814382801).

Almost surely, 2^43542243424 is an apocalyptic number.

It is an amenable number.

43542243424 is an abundant number, since it is smaller than the sum of its proper divisors (43548131024).

43542243424 is a wasteful number, since it uses less digits than its factorization.

43542243424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41327 (or 41319 counting only the distinct ones).

The product of its digits is 368640, while the sum is 37.

Adding to 43542243424 its reverse (42434224534), we get a palindrome (85976467958).

The spelling of 43542243424 in words is "forty-three billion, five hundred forty-two million, two hundred forty-three thousand, four hundred twenty-four".