43827894880 has 384 divisors, whose sum is σ = 135801308160. Its totient is φ = 12966912000.

The previous prime is 43827894857. The next prime is 43827894899. The reversal of 43827894880 is 8849872834.

It is a super-2 number, since 2×43827894880² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21793075 + ... + 21795085.

It is an arithmetic number, because the mean of its divisors is an integer number (353649240).

Almost surely, 2^43827894880 is an apocalyptic number.

43827894880 is a gapful number since it is divisible by the number (40) 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 43827894880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67900654080).

43827894880 is an abundant number, since it is smaller than the sum of its proper divisors (91973413280).

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

43827894880 is a wasteful number, since it uses less digits than its factorization.

43827894880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 43827894880 in words is "forty-three billion, eight hundred twenty-seven million, eight hundred ninety-four thousand, eight hundred eighty".