4066250000 has 80 divisors (see below), whose sum is σ = 9850951344. Its totient is φ = 1626000000.

The previous prime is 4066249973. The next prime is 4066250053. The reversal of 4066250000 is 526604.

It can be written as a sum of positive squares in 8 ways, for example, as 3988175104 + 78074896 = 63152^2 + 8836^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248374 + ... + 1251626.

Almost surely, 2^4066250000 is an apocalyptic number.

4066250000 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 4066250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4925475672).

4066250000 is an abundant number, since it is smaller than the sum of its proper divisors (5784701344).

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

4066250000 is an frugal number, since it uses more digits than its factorization.

4066250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4066250000 is about 63767.1545546765. The cubic root of 4066250000 is about 1596.1168855964.

Adding to 4066250000 its reverse (526604), we get a palindrome (4066776604).

The spelling of 4066250000 in words is "four billion, sixty-six million, two hundred fifty thousand".