40444000440 has 64 divisors (see below), whose sum is σ = 121565072160. Its totient is φ = 10764349440.

The previous prime is 40444000427. The next prime is 40444000451. The reversal of 40444000440 is 4400044404.

40444000440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40444000440.

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, 260929 + ... + 385968.

Almost surely, 2^40444000440 is an apocalyptic number.

40444000440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40444000440 is an abundant number, since it is smaller than the sum of its proper divisors (81121071720).

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

40444000440 is a wasteful number, since it uses less digits than its factorization.

40444000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647432 (or 647428 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40444000440 its reverse (4400044404), we get a palindrome (44844044844).

The spelling of 40444000440 in words is "forty billion, four hundred forty-four million, four hundred forty", and thus it is an aban number.