4878440190 has 384 divisors, whose sum is σ = 15747955200. Its totient is φ = 1067489280.

The previous prime is 4878440179. The next prime is 4878440213. The reversal of 4878440190 is 910448784.

4878440190 is a `hidden beast` number, since 4 + 87 + 84 + 401 + 90 = 666.

It is a super-2 number, since 2×4878440190² = 47598357374814472200, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14738325 + ... + 14738655.

It is an arithmetic number, because the mean of its divisors is an integer number (41010300).

Almost surely, 2^4878440190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4878440190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7873977600).

4878440190 is an abundant number, since it is smaller than the sum of its proper divisors (10869515010).

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

4878440190 is a wasteful number, since it uses less digits than its factorization.

4878440190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 4878440190 is about 69845.8315864304. The cubic root of 4878440190 is about 1696.0044794051.

The spelling of 4878440190 in words is "four billion, eight hundred seventy-eight million, four hundred forty thousand, one hundred ninety".