40443827034 has 48 divisors (see below), whose sum is σ = 87665778144. Its totient is φ = 12433262400.

The previous prime is 40443827009. The next prime is 40443827041. The reversal of 40443827034 is 43072834404.

It is a super-2 number, since 2×40443827034² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 40443826983 and 40443827001.

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 23 ways as a sum of consecutive naturals, for example, 1170364 + ... + 1204424.

It is an arithmetic number, because the mean of its divisors is an integer number (1826370378).

Almost surely, 2^40443827034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40443827034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43832889072).

40443827034 is an abundant number, since it is smaller than the sum of its proper divisors (47221951110).

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

40443827034 is a wasteful number, since it uses less digits than its factorization.

40443827034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35263 (or 35250 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 39.

The spelling of 40443827034 in words is "forty billion, four hundred forty-three million, eight hundred twenty-seven thousand, thirty-four".