40444444400 has 30 divisors (see below), whose sum is σ = 97167778632. Its totient is φ = 16177777600.

The previous prime is 40444444393. The next prime is 40444444409. The reversal of 40444444400 is 444444404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444444409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50555156 + ... + 50555955.

Almost surely, 2^40444444400 is an apocalyptic number.

40444444400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40444444400 is an abundant number, since it is smaller than the sum of its proper divisors (56723334232).

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

40444444400 is a wasteful number, since it uses less digits than its factorization.

40444444400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111129 (or 101111118 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40444444400 its reverse (444444404), we get a palindrome (40888888804).

It can be divided in two parts, 404444 and 44400, that added together give a palindrome (448844).

The spelling of 40444444400 in words is "forty billion, four hundred forty-four million, four hundred forty-four thousand, four hundred".