43242000143440 has 80 divisors (see below), whose sum is σ = 114901445336832. Its totient is φ = 14825664294912.

The previous prime is 43242000143413. The next prime is 43242000143449. The reversal of 43242000143440 is 4434100024234.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43242000143449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57021637 + ... + 57775003.

Almost surely, 2^{43242000143440} is an apocalyptic number.

43242000143440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43242000143440 is an abundant number, since it is smaller than the sum of its proper divisors (71659445193392).

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

43242000143440 is a wasteful number, since it uses less digits than its factorization.

43242000143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855884 (or 855878 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 43242000143440 its reverse (4434100024234), we get a palindrome (47676100167674).

The spelling of 43242000143440 in words is "forty-three trillion, two hundred forty-two billion, one hundred forty-three thousand, four hundred forty".