4287651552 has 72 divisors (see below), whose sum is σ = 12209147496. Its totient is φ = 1427325696.

The previous prime is 4287651541. The next prime is 4287651553. The reversal of 4287651552 is 2551567824.

4287651552 is a `hidden beast` number, since 4 + 2 + 87 + 6 + 515 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 4287651498 and 4287651507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287651553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217198 + ... + 236114.

It is an arithmetic number, because the mean of its divisors is an integer number (169571493).

Almost surely, 2^4287651552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4287651552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6104573748).

4287651552 is an abundant number, since it is smaller than the sum of its proper divisors (7921495944).

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

4287651552 is a wasteful number, since it uses less digits than its factorization.

4287651552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19720 (or 19709 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 4287651552 is about 65480.1615147672. The cubic root of 4287651552 is about 1624.5752328198.

The spelling of 4287651552 in words is "four billion, two hundred eighty-seven million, six hundred fifty-one thousand, five hundred fifty-two".