4225897440 has 96 divisors (see below), whose sum is σ = 14790656160. Its totient is φ = 1126904832.

The previous prime is 4225897439. The next prime is 4225897447. The reversal of 4225897440 is 447985224.

4225897440 is a `hidden beast` number, since 4 + 22 + 589 + 7 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225897447) by changing a digit.

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, 484789 + ... + 493428.

It is an arithmetic number, because the mean of its divisors is an integer number (154069335).

Almost surely, 2^4225897440 is an apocalyptic number.

4225897440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4225897440 is an abundant number, since it is smaller than the sum of its proper divisors (10564758720).

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

4225897440 is a wasteful number, since it uses less digits than its factorization.

4225897440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978241 (or 978227 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4225897440 is about 65006.9030180642. The cubic root of 4225897440 is about 1616.7380178001.

The spelling of 4225897440 in words is "four billion, two hundred twenty-five million, eight hundred ninety-seven thousand, four hundred forty".