40441023212220 has 144 divisors (see below), whose sum is σ = 123818172397920. Its totient is φ = 10683466265088.

The previous prime is 40441023212179. The next prime is 40441023212231. The reversal of 40441023212220 is 2221232014404.

It is a happy number.

40441023212220 is a `hidden beast` number, since 4 + 0 + 4 + 410 + 2 + 3 + 21 + 2 + 220 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113873767 + ... + 114228353.

It is an arithmetic number, because the mean of its divisors is an integer number (859848419430).

Almost surely, 2^{40441023212220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40441023212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61909086198960).

40441023212220 is an abundant number, since it is smaller than the sum of its proper divisors (83377149185700).

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

40441023212220 is a wasteful number, since it uses less digits than its factorization.

40441023212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360524 (or 360519 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 40441023212220 its reverse (2221232014404), we get a palindrome (42662255226624).

The spelling of 40441023212220 in words is "forty trillion, four hundred forty-one billion, twenty-three million, two hundred twelve thousand, two hundred twenty".