43134333440 has 160 divisors (see below), whose sum is σ = 114374215296. Its totient is φ = 15469608960.

The previous prime is 43134333421. The next prime is 43134333449. The reversal of 43134333440 is 4433343134.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 43134333397 and 43134333406.

It is not an unprimeable number, because it can be changed into a prime (43134333449) 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, 2045189 + ... + 2066171.

Almost surely, 2^43134333440 is an apocalyptic number.

43134333440 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 43134333440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57187107648).

43134333440 is an abundant number, since it is smaller than the sum of its proper divisors (71239881856).

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

43134333440 is a wasteful number, since it uses less digits than its factorization.

43134333440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21090 (or 21074 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 43134333440 its reverse (4433343134), we get a palindrome (47567676574).

The spelling of 43134333440 in words is "forty-three billion, one hundred thirty-four million, three hundred thirty-three thousand, four hundred forty".