4890261840 has 160 divisors (see below), whose sum is σ = 15926409216. Its totient is φ = 1238899200.

The previous prime is 4890261809. The next prime is 4890261869. The reversal of 4890261840 is 481620984.

It is a junction number, because it is equal to n+sod(n) for n = 4890261792 and 4890261801.

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 31 ways as a sum of consecutive naturals, for example, 830587 + ... + 836453.

Almost surely, 2^4890261840 is an apocalyptic number.

4890261840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4890261840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7963204608).

4890261840 is an abundant number, since it is smaller than the sum of its proper divisors (11036147376).

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

4890261840 is a wasteful number, since it uses less digits than its factorization.

4890261840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057 (or 6051 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 4890261840 is about 69930.4071202220. The cubic root of 4890261840 is about 1697.3733184426.

The spelling of 4890261840 in words is "four billion, eight hundred ninety million, two hundred sixty-one thousand, eight hundred forty".