4225881440 has 72 divisors (see below), whose sum is σ = 10973808720. Its totient is φ = 1536677120.

The previous prime is 4225881427. The next prime is 4225881461. The reversal of 4225881440 is 441885224.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4225881394 and 4225881403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89780 + ... + 128499.

It is an arithmetic number, because the mean of its divisors is an integer number (152414010).

Almost surely, 2^4225881440 is an apocalyptic number.

4225881440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4225881440 is an abundant number, since it is smaller than the sum of its proper divisors (6747927280).

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

4225881440 is a wasteful number, since it uses less digits than its factorization.

4225881440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218316 (or 218297 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 38.

The square root of 4225881440 is about 65006.7799540940. The cubic root of 4225881440 is about 1616.7359773782.

The spelling of 4225881440 in words is "four billion, two hundred twenty-five million, eight hundred eighty-one thousand, four hundred forty".