10440520400004 has 48 divisors (see below), whose sum is σ = 24749941708800. Its totient is φ = 3424927967136.

The previous prime is 10440520399997. The next prime is 10440520400021. The reversal of 10440520400004 is 40000402504401.

It is a happy 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, 17645784 + ... + 18227855.

It is an arithmetic number, because the mean of its divisors is an integer number (515623785600).

Almost surely, 2^{10440520400004} is an apocalyptic number.

It is an amenable number.

10440520400004 is an abundant number, since it is smaller than the sum of its proper divisors (14309421308796).

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

10440520400004 is a wasteful number, since it uses less digits than its factorization.

10440520400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35874032 (or 35874030 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 10440520400004 its reverse (40000402504401), we get a palindrome (50440922904405).

The spelling of 10440520400004 in words is "ten trillion, four hundred forty billion, five hundred twenty million, four hundred thousand, four".