4890155085 has 24 divisors (see below), whose sum is σ = 8790206880. Its totient is φ = 2608082064.

The previous prime is 4890155059. The next prime is 4890155093. The reversal of 4890155085 is 5805510984.

It is a happy number.

4890155085 is a `hidden beast` number, since 4 + 8 + 90 + 1 + 550 + 8 + 5 = 666.

It is not a de Polignac number, because 4890155085 - 2⁶ = 4890155021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4890155085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2011195 + ... + 2013624.

It is an arithmetic number, because the mean of its divisors is an integer number (366258620).

Almost surely, 2^4890155085 is an apocalyptic number.

4890155085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4890155085 is a deficient number, since it is larger than the sum of its proper divisors (3900051795).

4890155085 is an equidigital number, since it uses as much as digits as its factorization.

4890155085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024839 (or 4024827 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The square root of 4890155085 is about 69929.6438214868. The cubic root of 4890155085 is about 1697.3609670653.

The spelling of 4890155085 in words is "four billion, eight hundred ninety million, one hundred fifty-five thousand, eighty-five".