43424342121504 has 96 divisors (see below), whose sum is σ = 119602092564864. Its totient is φ = 13768948131840.

The previous prime is 43424342121499. The next prime is 43424342121529. The reversal of 43424342121504 is 40512124342434.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53928589 + ... + 54727884.

It is an arithmetic number, because the mean of its divisors is an integer number (1245855130884).

Almost surely, 2^{43424342121504} is an apocalyptic number.

It is an amenable number.

43424342121504 is an abundant number, since it is smaller than the sum of its proper divisors (76177750443360).

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

43424342121504 is a wasteful number, since it uses less digits than its factorization.

43424342121504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108656690 (or 108656682 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 43424342121504 its reverse (40512124342434), we get a palindrome (83936466463938).

The spelling of 43424342121504 in words is "forty-three trillion, four hundred twenty-four billion, three hundred forty-two million, one hundred twenty-one thousand, five hundred four".