43928296551216 has 720 divisors, whose sum is σ = 157920148713600. Its totient is φ = 11270552832000.

The previous prime is 43928296551187. The next prime is 43928296551239. The reversal of 43928296551216 is 61215569282934.

43928296551216 is a `hidden beast` number, since 4 + 3 + 9 + 28 + 2 + 96 + 5 + 512 + 1 + 6 = 666.

It is a super-2 number, since 2×43928296551216² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8696947891 + ... + 8696952941.

It is an arithmetic number, because the mean of its divisors is an integer number (219333539880).

Almost surely, 2^{43928296551216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43928296551216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78960074356800).

43928296551216 is an abundant number, since it is smaller than the sum of its proper divisors (113991852162384).

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

43928296551216 is a wasteful number, since it uses less digits than its factorization.

43928296551216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438 (or 6422 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 43928296551216 in words is "forty-three trillion, nine hundred twenty-eight billion, two hundred ninety-six million, five hundred fifty-one thousand, two hundred sixteen".