43413340240 has 80 divisors (see below), whose sum is σ = 103843027728. Its totient is φ = 16866828288.

The previous prime is 43413340211. The next prime is 43413340253. The reversal of 43413340240 is 4204331434.

It can be written as a sum of positive squares in 8 ways, for example, as 185940496 + 43227399744 = 13636^2 + 207912^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×43413340240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43413340199 and 43413340208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1742914 + ... + 1767646.

Almost surely, 2^43413340240 is an apocalyptic number.

43413340240 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 43413340240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51921513864).

43413340240 is an abundant number, since it is smaller than the sum of its proper divisors (60429687488).

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

43413340240 is a wasteful number, since it uses less digits than its factorization.

43413340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25376 (or 25370 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 43413340240 its reverse (4204331434), we get a palindrome (47617671674).

The spelling of 43413340240 in words is "forty-three billion, four hundred thirteen million, three hundred forty thousand, two hundred forty".