4287507642 has 48 divisors (see below), whose sum is σ = 10162983168. Its totient is φ = 1295543040.

The previous prime is 4287507641. The next prime is 4287507647. The reversal of 4287507642 is 2467057824.

It is a happy number.

4287507642 is a `hidden beast` number, since 4 + 2 + 87 + 507 + 64 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (4287507641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39223 + ... + 100565.

It is an arithmetic number, because the mean of its divisors is an integer number (211728816).

Almost surely, 2^4287507642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4287507642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5081491584).

4287507642 is an abundant number, since it is smaller than the sum of its proper divisors (5875475526).

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

4287507642 is a wasteful number, since it uses less digits than its factorization.

4287507642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61715 (or 61712 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 4287507642 is about 65479.0626231011. The cubic root of 4287507642 is about 1624.5570569618.

The spelling of 4287507642 in words is "four billion, two hundred eighty-seven million, five hundred seven thousand, six hundred forty-two".