43132311680 has 64 divisors (see below), whose sum is σ = 103153915800. Its totient is φ = 17246109696.

The previous prime is 43132311671. The next prime is 43132311689. The reversal of 43132311680 is 8611323134.

It is an interprime number because it is at equal distance from previous prime (43132311671) and next prime (43132311689).

It can be written as a sum of positive squares in 4 ways, for example, as 25515589696 + 17616721984 = 159736^2 + 132728^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (43132311689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801226 + ... + 1825014.

Almost surely, 2^43132311680 is an apocalyptic number.

43132311680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43132311680 is an abundant number, since it is smaller than the sum of its proper divisors (60021604120).

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

43132311680 is a wasteful number, since it uses less digits than its factorization.

43132311680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26641 (or 26629 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 43132311680 in words is "forty-three billion, one hundred thirty-two million, three hundred eleven thousand, six hundred eighty".