4006250000 has 90 divisors (see below), whose sum is σ = 9717768462. Its totient is φ = 1600000000.

The previous prime is 4006249957. The next prime is 4006250041. The reversal of 4006250000 is 526004.

It can be written as a sum of positive squares in 9 ways, for example, as 2239560976 + 1766689024 = 47324^2 + 42032^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6249680 + ... + 6250320.

Almost surely, 2^4006250000 is an apocalyptic number.

4006250000 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 4006250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4858884231).

4006250000 is an abundant number, since it is smaller than the sum of its proper divisors (5711518462).

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

4006250000 is an frugal number, since it uses more digits than its factorization.

4006250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4006250000 is about 63294.9445058608. The cubic root of 4006250000 is about 1588.2273931127.

Adding to 4006250000 its reverse (526004), we get a palindrome (4006776004).

It can be divided in two parts, 400 and 6250000, that multiplied together give a square (2500000000 = 50000²).

The spelling of 4006250000 in words is "four billion, six million, two hundred fifty thousand".