4287660540 has 48 divisors (see below), whose sum is σ = 12260892672. Its totient is φ = 1119048256.

The previous prime is 4287660521. The next prime is 4287660541. The reversal of 4287660540 is 450667824.

It is a junction number, because it is equal to n+sod(n) for n = 4287660492 and 4287660501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287660541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757404 + ... + 763043.

It is an arithmetic number, because the mean of its divisors is an integer number (255435264).

Almost surely, 2^4287660540 is an apocalyptic number.

It is an amenable number.

4287660540 is an abundant number, since it is smaller than the sum of its proper divisors (7973232132).

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

4287660540 is a wasteful number, since it uses less digits than its factorization.

4287660540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520506 (or 1520504 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 4287660540 is about 65480.2301462052. The cubic root of 4287660540 is about 1624.5763679923.

The spelling of 4287660540 in words is "four billion, two hundred eighty-seven million, six hundred sixty thousand, five hundred forty".