4000000444000 has 96 divisors (see below), whose sum is σ = 10721455853472. Its totient is φ = 1454545600000.

The previous prime is 4000000443973. The next prime is 4000000444043. The reversal of 4000000444000 is 4440000004.

It is a Harshad number since it is a multiple of its sum of digits (16).

4000000444000 is a modest number, since divided by 444000 gives 4000 as remainder.

It is a congruent number.

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, 45410551 + ... + 45498550.

It is an arithmetic number, because the mean of its divisors is an integer number (111681831807).

Almost surely, 2^{4000000444000} is an apocalyptic number.

4000000444000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4000000444000 is an abundant number, since it is smaller than the sum of its proper divisors (6721455409472).

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

4000000444000 is a wasteful number, since it uses less digits than its factorization.

4000000444000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90909137 (or 90909119 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 4000000444000 its reverse (4440000004), we get a palindrome (4004440444004).

It can be divided in two parts, 40000004 and 44000, that added together give a palindrome (40044004).

The spelling of 4000000444000 in words is "four trillion, four hundred forty-four thousand".