4591520460 has 36 divisors (see below), whose sum is σ = 13927612608. Its totient is φ = 1224405408.

The previous prime is 4591520459. The next prime is 4591520467. The reversal of 4591520460 is 640251954.

4591520460 is a `hidden beast` number, since 4 + 5 + 91 + 520 + 46 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4591520460² = 42164120269197223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4591520467) 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, 12754044 + ... + 12754403.

It is an arithmetic number, because the mean of its divisors is an integer number (386878128).

Almost surely, 2^4591520460 is an apocalyptic number.

It is an amenable number.

4591520460 is an abundant number, since it is smaller than the sum of its proper divisors (9336092148).

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

4591520460 is a wasteful number, since it uses less digits than its factorization.

4591520460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25508462 (or 25508457 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 4591520460 is about 67760.7589981104. The cubic root of 4591520460 is about 1662.0809606632.

The spelling of 4591520460 in words is "four billion, five hundred ninety-one million, five hundred twenty thousand, four hundred sixty".