4421021376 has 56 divisors (see below), whose sum is σ = 11704517104. Its totient is φ = 1472762880.

The previous prime is 4421021369. The next prime is 4421021387. The reversal of 4421021376 is 6731201244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351126 + ... + 363498.

It is an arithmetic number, because the mean of its divisors is an integer number (209009234).

Almost surely, 2^4421021376 is an apocalyptic number.

It is an amenable number.

4421021376 is an abundant number, since it is smaller than the sum of its proper divisors (7283495728).

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

4421021376 is a wasteful number, since it uses less digits than its factorization.

4421021376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14249 (or 14239 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4421021376 is about 66490.7615838471. The cubic root of 4421021376 is about 1641.2479812818.

The spelling of 4421021376 in words is "four billion, four hundred twenty-one million, twenty-one thousand, three hundred seventy-six".