404448215228 has 48 divisors (see below), whose sum is σ = 769880714400. Its totient is φ = 185134657536.

The previous prime is 404448215183. The next prime is 404448215317. The reversal of 404448215228 is 822512844404.

It is a happy number.

It is a super-2 number, since 2×404448215228² (a number of 24 digits) contains 22 as substring.

It is a congruent 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, 10293476 + ... + 10332692.

It is an arithmetic number, because the mean of its divisors is an integer number (16039181550).

Almost surely, 2^404448215228 is an apocalyptic number.

It is an amenable number.

404448215228 is a deficient number, since it is larger than the sum of its proper divisors (365432499172).

404448215228 is a wasteful number, since it uses less digits than its factorization.

404448215228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43374 (or 43372 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 44.

The spelling of 404448215228 in words is "four hundred four billion, four hundred forty-eight million, two hundred fifteen thousand, two hundred twenty-eight".