43024401421 has 16 divisors (see below), whose sum is σ = 44794820160. Its totient is φ = 41273971200.

The previous prime is 43024401377. The next prime is 43024401443. The reversal of 43024401421 is 12410442034.

It is a cyclic number.

It is not a de Polignac number, because 43024401421 - 2²⁵ = 42990846989 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 (43024401481) 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, 2889646 + ... + 2904496.

It is an arithmetic number, because the mean of its divisors is an integer number (2799676260).

Almost surely, 2^43024401421 is an apocalyptic number.

It is an amenable number.

43024401421 is a deficient number, since it is larger than the sum of its proper divisors (1770418739).

43024401421 is a wasteful number, since it uses less digits than its factorization.

43024401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15516.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 43024401421 its reverse (12410442034), we get a palindrome (55434843455).

The spelling of 43024401421 in words is "forty-three billion, twenty-four million, four hundred one thousand, four hundred twenty-one".