43113421340 has 192 divisors, whose sum is σ = 105533632512. Its totient is φ = 14639539200.

The previous prime is 43113421333. The next prime is 43113421343. The reversal of 43113421340 is 4312431134.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43113421343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100030925 + ... + 100031355.

It is an arithmetic number, because the mean of its divisors is an integer number (549654336).

Almost surely, 2^43113421340 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 43113421340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52766816256).

43113421340 is an abundant number, since it is smaller than the sum of its proper divisors (62420211172).

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

43113421340 is a wasteful number, since it uses less digits than its factorization.

43113421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43113421340 its reverse (4312431134), we get a palindrome (47425852474).

The spelling of 43113421340 in words is "forty-three billion, one hundred thirteen million, four hundred twenty-one thousand, three hundred forty".