43238647857996 has 48 divisors (see below), whose sum is σ = 113255870323680. Its totient is φ = 14264296197120.

The previous prime is 43238647857943. The next prime is 43238647857997. The reversal of 43238647857996 is 69975874683234.

43238647857996 is a `hidden beast` number, since 4 + 3 + 2 + 3 + 8 + 6 + 478 + 57 + 9 + 96 = 666.

It is a super-2 number, since 2×43238647857996² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43238647857997) 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, 2063689785 + ... + 2063710736.

It is an arithmetic number, because the mean of its divisors is an integer number (2359497298410).

Almost surely, 2^{43238647857996} is an apocalyptic number.

It is an amenable number.

43238647857996 is an abundant number, since it is smaller than the sum of its proper divisors (70017222465684).

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

43238647857996 is a wasteful number, since it uses less digits than its factorization.

43238647857996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127400631 (or 4127400623 counting only the distinct ones).

The product of its digits is 13168189440, while the sum is 81.

The spelling of 43238647857996 in words is "forty-three trillion, two hundred thirty-eight billion, six hundred forty-seven million, eight hundred fifty-seven thousand, nine hundred ninety-six".