4225652640 has 288 divisors, whose sum is σ = 16275168000. Its totient is φ = 988968960.

The previous prime is 4225652633. The next prime is 4225652657. The reversal of 4225652640 is 462565224.

4225652640 is a `hidden beast` number, since 4 + 2 + 2 + 5 + 6 + 5 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×4225652640² = 35712280467877939200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4225652595 and 4225652604.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 454761 + ... + 463959.

It is an arithmetic number, because the mean of its divisors is an integer number (56511000).

Almost surely, 2^4225652640 is an apocalyptic number.

4225652640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4225652640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8137584000).

4225652640 is an abundant number, since it is smaller than the sum of its proper divisors (12049515360).

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

4225652640 is a wasteful number, since it uses less digits than its factorization.

4225652640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260 (or 9249 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 4225652640 is about 65005.0201138343. The cubic root of 4225652640 is about 1616.7067987817.

The spelling of 4225652640 in words is "four billion, two hundred twenty-five million, six hundred fifty-two thousand, six hundred forty".