43201523220240 has 320 divisors, whose sum is σ = 167475550021632. Its totient is φ = 8949817958400.

The previous prime is 43201523220227. The next prime is 43201523220293. The reversal of 43201523220240 is 4202232510234.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 43201523220198 and 43201523220207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2585544 + ... + 9648216.

Almost surely, 2^{43201523220240} is an apocalyptic number.

43201523220240 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 43201523220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83737775010816).

43201523220240 is an abundant number, since it is smaller than the sum of its proper divisors (124274026801392).

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

43201523220240 is a wasteful number, since it uses less digits than its factorization.

43201523220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063038 (or 7063032 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 43201523220240 its reverse (4202232510234), we get a palindrome (47403755730474).

The spelling of 43201523220240 in words is "forty-three trillion, two hundred one billion, five hundred twenty-three million, two hundred twenty thousand, two hundred forty".