43214033221440 has 224 divisors, whose sum is σ = 137592586400256. Its totient is φ = 11491178987520.

The previous prime is 43214033221399. The next prime is 43214033221441. The reversal of 43214033221440 is 4412233041234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43214033221441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 849423844 + ... + 849474716.

Almost surely, 2^{43214033221440} is an apocalyptic number.

43214033221440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43214033221440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68796293200128).

43214033221440 is an abundant number, since it is smaller than the sum of its proper divisors (94378553178816).

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

43214033221440 is a wasteful number, since it uses less digits than its factorization.

43214033221440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53377 (or 53367 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 43214033221440 its reverse (4412233041234), we get a palindrome (47626266262674).

The spelling of 43214033221440 in words is "forty-three trillion, two hundred fourteen billion, thirty-three million, two hundred twenty-one thousand, four hundred forty".