4025090920 has 64 divisors (see below), whose sum is σ = 9224798400. Its totient is φ = 1580198400.

The previous prime is 4025090869. The next prime is 4025090939. The reversal of 4025090920 is 290905204.

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 15 ways as a sum of consecutive naturals, for example, 2234020 + ... + 2235820.

It is an arithmetic number, because the mean of its divisors is an integer number (144137475).

Almost surely, 2^4025090920 is an apocalyptic number.

4025090920 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 4025090920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4612399200).

4025090920 is an abundant number, since it is smaller than the sum of its proper divisors (5199707480).

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

4025090920 is a wasteful number, since it uses less digits than its factorization.

4025090920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4025090920 is about 63443.6042481825. The cubic root of 4025090920 is about 1590.7132488198.

The spelling of 4025090920 in words is "four billion, twenty-five million, ninety thousand, nine hundred twenty".