43136612456 has 32 divisors (see below), whose sum is σ = 97300632000. Its totient is φ = 17514112896.

The previous prime is 43136612423. The next prime is 43136612461. The reversal of 43136612456 is 65421663134.

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, 20269901 + ... + 20272028.

It is an arithmetic number, because the mean of its divisors is an integer number (3040644750).

Almost surely, 2^43136612456 is an apocalyptic number.

It is an amenable number.

43136612456 is an abundant number, since it is smaller than the sum of its proper divisors (54164019544).

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

43136612456 is a wasteful number, since it uses less digits than its factorization.

43136612456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40541961 (or 40541957 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 43136612456 in words is "forty-three billion, one hundred thirty-six million, six hundred twelve thousand, four hundred fifty-six".