8401221048 has 64 divisors (see below), whose sum is σ = 23399953920. Its totient is φ = 2491654400.

The previous prime is 8401221011. The next prime is 8401221077.

8401221048 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326133 + ... + 350948.

It is an arithmetic number, because the mean of its divisors is an integer number (365624280).

Almost surely, 2^8401221048 is an apocalyptic number.

8401221048 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8401221048 is an abundant number, since it is smaller than the sum of its proper divisors (14998732872).

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

8401221048 is a wasteful number, since it uses less digits than its factorization.

8401221048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677148 (or 677144 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 8401221048 is about 91658.1750200166. The cubic root of 8401221048 is about 2032.8912063764.

The spelling of 8401221048 in words is "eight billion, four hundred one million, two hundred twenty-one thousand, forty-eight".