10445444400 has 120 divisors (see below), whose sum is σ = 33580399824. Its totient is φ = 2775449600.

The previous prime is 10445444333. The next prime is 10445444407. The reversal of 10445444400 is 444454401.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (10445444407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321712 + ... + 352688.

Almost surely, 2^10445444400 is an apocalyptic number.

10445444400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10445444400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16790199912).

10445444400 is an abundant number, since it is smaller than the sum of its proper divisors (23134955424).

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

10445444400 is a wasteful number, since it uses less digits than its factorization.

10445444400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31279 (or 31268 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 10445444400 its reverse (444454401), we get a palindrome (10889898801).

The spelling of 10445444400 in words is "ten billion, four hundred forty-five million, four hundred forty-four thousand, four hundred".