4778240490 has 128 divisors (see below), whose sum is σ = 13927127040. Its totient is φ = 1160524800.

The previous prime is 4778240483. The next prime is 4778240557. The reversal of 4778240490 is 940428774.

4778240490 is a `hidden beast` number, since 47 + 7 + 82 + 40 + 490 = 666.

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

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 63 ways as a sum of consecutive naturals, for example, 125500 + ... + 159080.

It is an arithmetic number, because the mean of its divisors is an integer number (108805680).

Almost surely, 2^4778240490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4778240490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6963563520).

4778240490 is an abundant number, since it is smaller than the sum of its proper divisors (9148886550).

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

4778240490 is a wasteful number, since it uses less digits than its factorization.

4778240490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33645 (or 33639 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 4778240490 is about 69124.8181914426. The cubic root of 4778240490 is about 1684.3124856193.

The spelling of 4778240490 in words is "four billion, seven hundred seventy-eight million, two hundred forty thousand, four hundred ninety".