4040042002444 has 48 divisors (see below), whose sum is σ = 8161114590720. Its totient is φ = 1714104766080.

The previous prime is 4040042002397. The next prime is 4040042002459. The reversal of 4040042002444 is 4442002400404.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3981817 + ... + 4892335.

It is an arithmetic number, because the mean of its divisors is an integer number (170023220640).

Almost surely, 2^{4040042002444} is an apocalyptic number.

It is an amenable number.

4040042002444 is an abundant number, since it is smaller than the sum of its proper divisors (4121072588276).

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

4040042002444 is a wasteful number, since it uses less digits than its factorization.

4040042002444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912118 (or 912116 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 4040042002444 its reverse (4442002400404), we get a palindrome (8482044402848).

The spelling of 4040042002444 in words is "four trillion, forty billion, forty-two million, two thousand, four hundred forty-four".