43132066240 has 56 divisors (see below), whose sum is σ = 105484159872. Its totient is φ = 16786529280.

The previous prime is 43132066147. The next prime is 43132066249. The reversal of 43132066240 is 4266023134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43132066249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809616 + ... + 1833295.

It is an arithmetic number, because the mean of its divisors is an integer number (1883645712).

Almost surely, 2^43132066240 is an apocalyptic number.

43132066240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43132066240 is an abundant number, since it is smaller than the sum of its proper divisors (62352093632).

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

43132066240 is a wasteful number, since it uses less digits than its factorization.

43132066240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642965 (or 3642955 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 43132066240 its reverse (4266023134), we get a palindrome (47398089374).

The spelling of 43132066240 in words is "forty-three billion, one hundred thirty-two million, sixty-six thousand, two hundred forty".