4040444426040 has 96 divisors (see below), whose sum is σ = 14325212070000. Its totient is φ = 979501678080.

The previous prime is 4040444426017. The next prime is 4040444426093. The reversal of 4040444426040 is 406244440404.

4040444426040 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 4 + 4 + 4 + 42 + 604 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4040444425986 and 4040444426004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510153165 + ... + 510161084.

Almost surely, 2^{4040444426040} is an apocalyptic number.

4040444426040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040444426040 is an abundant number, since it is smaller than the sum of its proper divisors (10284767643960).

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

4040444426040 is a wasteful number, since it uses less digits than its factorization.

4040444426040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020314277 (or 1020314270 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 4040444426040 its reverse (406244440404), we get a palindrome (4446688866444).

It can be divided in two parts, 40404 and 44426040, that added together give a palindrome (44466444).

The spelling of 4040444426040 in words is "four trillion, forty billion, four hundred forty-four million, four hundred twenty-six thousand, forty".