40443434444 has 24 divisors (see below), whose sum is σ = 81687734688. Its totient is φ = 17161286400.

The previous prime is 40443434429. The next prime is 40443434459. The reversal of 40443434444 is 44443434404.

It is an interprime number because it is at equal distance from previous prime (40443434429) and next prime (40443434459).

It is a super-2 number, since 2×40443434444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40443434398 and 40443434407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7147709 + ... + 7153364.

It is an arithmetic number, because the mean of its divisors is an integer number (3403655612).

Almost surely, 2^40443434444 is an apocalyptic number.

It is an amenable number.

40443434444 is an abundant number, since it is smaller than the sum of its proper divisors (41244300244).

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

40443434444 is a wasteful number, since it uses less digits than its factorization.

40443434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14301185 (or 14301183 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 40443434444 its reverse (44443434404), we get a palindrome (84886868848).

The spelling of 40443434444 in words is "forty billion, four hundred forty-three million, four hundred thirty-four thousand, four hundred forty-four".