4400345945508 has 12 divisors (see below), whose sum is σ = 10267473872880. Its totient is φ = 1466781981832.

The previous prime is 4400345945503. The next prime is 4400345945549. The reversal of 4400345945508 is 8055495430044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4400345945503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183347747718 + ... + 183347747741.

It is an arithmetic number, because the mean of its divisors is an integer number (855622822740).

Almost surely, 2^{4400345945508} is an apocalyptic number.

It is an amenable number.

4400345945508 is an abundant number, since it is smaller than the sum of its proper divisors (5867127927372).

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

4400345945508 is a wasteful number, since it uses less digits than its factorization.

4400345945508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366695495466 (or 366695495464 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 51.

The spelling of 4400345945508 in words is "four trillion, four hundred billion, three hundred forty-five million, nine hundred forty-five thousand, five hundred eight".