104445444220 has 72 divisors (see below), whose sum is σ = 251476266384. Its totient is φ = 36295953408.

The previous prime is 104445444211. The next prime is 104445444223. The reversal of 104445444220 is 22444544401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104445444223) 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, 851394 + ... + 966313.

It is an arithmetic number, because the mean of its divisors is an integer number (3492725922).

Almost surely, 2^104445444220 is an apocalyptic number.

104445444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104445444220 is an abundant number, since it is smaller than the sum of its proper divisors (147030822164).

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

104445444220 is a wasteful number, since it uses less digits than its factorization.

104445444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817759 (or 1817744 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 104445444220 its reverse (22444544401), we get a palindrome (126889988621).

The spelling of 104445444220 in words is "one hundred four billion, four hundred forty-five million, four hundred forty-four thousand, two hundred twenty".