43215425464 has 32 divisors (see below), whose sum is σ = 83854227600. Its totient is φ = 20863215360.

The previous prime is 43215425419. The next prime is 43215425479. The reversal of 43215425464 is 46452451234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518469 + ... + 596020.

Almost surely, 2^43215425464 is an apocalyptic number.

It is an amenable number.

43215425464 is a deficient number, since it is larger than the sum of its proper divisors (40638802136).

43215425464 is a wasteful number, since it uses less digits than its factorization.

43215425464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114663 (or 1114659 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

Adding to 43215425464 its reverse (46452451234), we get a palindrome (89667876698).

The spelling of 43215425464 in words is "forty-three billion, two hundred fifteen million, four hundred twenty-five thousand, four hundred sixty-four".