4221258940 has 24 divisors (see below), whose sum is σ = 9053255232. Its totient is φ = 1652577600.

The previous prime is 4221258889. The next prime is 4221258949. The reversal of 4221258940 is 498521224.

It is a self number, because there is not a number n which added to its sum of digits gives 4221258940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221258949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244411 + ... + 2246290.

It is an arithmetic number, because the mean of its divisors is an integer number (377218968).

Almost surely, 2^4221258940 is an apocalyptic number.

It is an amenable number.

4221258940 is an abundant number, since it is smaller than the sum of its proper divisors (4831996292).

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

4221258940 is a wasteful number, since it uses less digits than its factorization.

4221258940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490757 (or 4490755 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 4221258940 is about 64971.2162422715. The cubic root of 4221258940 is about 1616.1462709274.

The spelling of 4221258940 in words is "four billion, two hundred twenty-one million, two hundred fifty-eight thousand, nine hundred forty".