43191977982132 has 384 divisors, whose sum is σ = 121654200729600. Its totient is φ = 11667550003200.

The previous prime is 43191977982107. The next prime is 43191977982151. The reversal of 43191977982132 is 23128977919134.

It is a super-2 number, since 2×43191977982132² (a number of 28 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 (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12197676282 + ... + 12197679822.

It is an arithmetic number, because the mean of its divisors is an integer number (316807814400).

Almost surely, 2^{43191977982132} is an apocalyptic number.

43191977982132 is a gapful number since it is divisible by the number (42) 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 43191977982132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60827100364800).

43191977982132 is an abundant number, since it is smaller than the sum of its proper divisors (78462222747468).

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

43191977982132 is a wasteful number, since it uses less digits than its factorization.

43191977982132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167 (or 4165 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 66.

The spelling of 43191977982132 in words is "forty-three trillion, one hundred ninety-one billion, nine hundred seventy-seven million, nine hundred eighty-two thousand, one hundred thirty-two".