43980871632 has 160 divisors (see below), whose sum is σ = 121341876480. Its totient is φ = 13679124480.

The previous prime is 43980871619. The next prime is 43980871637. The reversal of 43980871632 is 23617808934.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43980871637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69699957 + ... + 69700587.

It is an arithmetic number, because the mean of its divisors is an integer number (758386728).

Almost surely, 2^43980871632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43980871632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60670938240).

43980871632 is an abundant number, since it is smaller than the sum of its proper divisors (77361004848).

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

43980871632 is a wasteful number, since it uses less digits than its factorization.

43980871632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 43980871632 in words is "forty-three billion, nine hundred eighty million, eight hundred seventy-one thousand, six hundred thirty-two".