43204342040 has 128 divisors (see below), whose sum is σ = 104455008000. Its totient is φ = 16054456320.

The previous prime is 43204342007. The next prime is 43204342091. The reversal of 43204342040 is 4024340234.

It is a super-2 number, since 2×43204342040² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2844386 + ... + 2859534.

It is an arithmetic number, because the mean of its divisors is an integer number (816054750).

Almost surely, 2^43204342040 is an apocalyptic number.

43204342040 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 43204342040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52227504000).

43204342040 is an abundant number, since it is smaller than the sum of its proper divisors (61250665960).

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

43204342040 is a wasteful number, since it uses less digits than its factorization.

43204342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15285 (or 15281 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 43204342040 its reverse (4024340234), we get a palindrome (47228682274).

The spelling of 43204342040 in words is "forty-three billion, two hundred four million, three hundred forty-two thousand, forty".