40440424000 has 56 divisors (see below), whose sum is σ = 100150729848. Its totient is φ = 16176166400.

The previous prime is 40440423983. The next prime is 40440424111. The reversal of 40440424000 is 42404404.

40440424000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4710351424 + 35730072576 = 68632^2 + 189024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519527 + ... + 2535526.

Almost surely, 2^40440424000 is an apocalyptic number.

40440424000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40440424000 is an abundant number, since it is smaller than the sum of its proper divisors (59710305848).

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

40440424000 is an equidigital number, since it uses as much as digits as its factorization.

40440424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055080 (or 5055060 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40440424000 its reverse (42404404), we get a palindrome (40482828404).

The spelling of 40440424000 in words is "forty billion, four hundred forty million, four hundred twenty-four thousand".