4287520538 has 8 divisors (see below), whose sum is σ = 7350035232. Its totient is φ = 1837508796.

The previous prime is 4287520537. The next prime is 4287520543. The reversal of 4287520538 is 8350257824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4287520537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153125720 + ... + 153125747.

It is an arithmetic number, because the mean of its divisors is an integer number (918754404).

Almost surely, 2^4287520538 is an apocalyptic number.

4287520538 is a deficient number, since it is larger than the sum of its proper divisors (3062514694).

4287520538 is a wasteful number, since it uses less digits than its factorization.

4287520538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306251476.

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 4287520538 is about 65479.1610972529. The cubic root of 4287520538 is about 1624.5586857454.

The spelling of 4287520538 in words is "four billion, two hundred eighty-seven million, five hundred twenty thousand, five hundred thirty-eight".