43398210240 has 672 divisors, whose sum is σ = 194306342400. Its totient is φ = 9016842240.

The previous prime is 43398210221. The next prime is 43398210259. The reversal of 43398210240 is 4201289334.

43398210240 is a `hidden beast` number, since 4 + 3 + 398 + 21 + 0 + 240 = 666.

It is an interprime number because it is at equal distance from previous prime (43398210221) and next prime (43398210259).

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43398210195 and 43398210204.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4652301 + ... + 4661619.

Almost surely, 2^43398210240 is an apocalyptic number.

43398210240 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 43398210240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97153171200).

43398210240 is an abundant number, since it is smaller than the sum of its proper divisors (150908132160).

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

43398210240 is a wasteful number, since it uses less digits than its factorization.

43398210240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9370 (or 9347 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 43398210240 its reverse (4201289334), we get a palindrome (47599499574).

The spelling of 43398210240 in words is "forty-three billion, three hundred ninety-eight million, two hundred ten thousand, two hundred forty".