43202420135440 has 160 divisors (see below), whose sum is σ = 106556779929600. Its totient is φ = 16265233797120.

The previous prime is 43202420135417. The next prime is 43202420135453. The reversal of 43202420135440 is 4453102420234.

43202420135440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43202420135396 and 43202420135405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13186609 + ... + 16133551.

It is an arithmetic number, because the mean of its divisors is an integer number (665979874560).

Almost surely, 2^{43202420135440} is an apocalyptic number.

43202420135440 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 43202420135440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53278389964800).

43202420135440 is an abundant number, since it is smaller than the sum of its proper divisors (63354359794160).

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

43202420135440 is a wasteful number, since it uses less digits than its factorization.

43202420135440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947145 (or 2947139 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 43202420135440 its reverse (4453102420234), we get a palindrome (47655522555674).

The spelling of 43202420135440 in words is "forty-three trillion, two hundred two billion, four hundred twenty million, one hundred thirty-five thousand, four hundred forty".