43871702344272 has 960 divisors, whose sum is σ = 148041642228480. Its totient is φ = 12083613696000.

The previous prime is 43871702344271. The next prime is 43871702344277. The reversal of 43871702344272 is 27244320717834.

43871702344272 is a `hidden beast` number, since 4 + 3 + 8 + 7 + 170 + 23 + 442 + 7 + 2 = 666.

It is a super-2 number, since 2×43871702344272² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43871702344271) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9107679208 + ... + 9107684024.

It is an arithmetic number, because the mean of its divisors is an integer number (154210043988).

Almost surely, 2^{43871702344272} 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 43871702344272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74020821114240).

43871702344272 is an abundant number, since it is smaller than the sum of its proper divisors (104169939884208).

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

43871702344272 is a wasteful number, since it uses less digits than its factorization.

43871702344272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985 (or 4954 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 54.

The spelling of 43871702344272 in words is "forty-three trillion, eight hundred seventy-one billion, seven hundred two million, three hundred forty-four thousand, two hundred seventy-two".