4890540816 has 120 divisors (see below), whose sum is σ = 15665673920. Its totient is φ = 1395180288.

The previous prime is 4890540799. The next prime is 4890540821. The reversal of 4890540816 is 6180450984.

4890540816 is a `hidden beast` number, since 4 + 8 + 90 + 540 + 8 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 735555 + ... + 742173.

Almost surely, 2^4890540816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4890540816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7832836960).

4890540816 is an abundant number, since it is smaller than the sum of its proper divisors (10775133104).

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

4890540816 is a wasteful number, since it uses less digits than its factorization.

4890540816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373 (or 7364 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 4890540816 is about 69932.4017605573. The cubic root of 4890540816 is about 1697.4055946567.

The spelling of 4890540816 in words is "four billion, eight hundred ninety million, five hundred forty thousand, eight hundred sixteen".