4260520090 has 8 divisors (see below), whose sum is σ = 7668936180. Its totient is φ = 1704208032.

The previous prime is 4260520087. The next prime is 4260520091. The reversal of 4260520090 is 900250624.

It can be written as a sum of positive squares in 2 ways, for example, as 3923393769 + 337126321 = 62637^2 + 18361^2 .

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 (4260520091) 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, 213025995 + ... + 213026014.

Almost surely, 2^4260520090 is an apocalyptic number.

4260520090 is a deficient number, since it is larger than the sum of its proper divisors (3408416090).

4260520090 is a wasteful number, since it uses less digits than its factorization.

4260520090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426052016.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4260520090 is about 65272.6595903675. The cubic root of 4260520090 is about 1621.1413094979.

The spelling of 4260520090 in words is "four billion, two hundred sixty million, five hundred twenty thousand, ninety".