4050215040 has 128 divisors (see below), whose sum is σ = 12930091200. Its totient is φ = 1078382592.

The previous prime is 4050215017. The next prime is 4050215089. The reversal of 4050215040 is 405120504.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 4050214998 and 4050215016.

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, 1694166 + ... + 1696554.

Almost surely, 2^4050215040 is an apocalyptic number.

4050215040 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 4050215040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6465045600).

4050215040 is an abundant number, since it is smaller than the sum of its proper divisors (8879876160).

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

4050215040 is a wasteful number, since it uses less digits than its factorization.

4050215040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294 (or 3282 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4050215040 is about 63641.2997981657. The cubic root of 4050215040 is about 1594.0160648917.

Adding to 4050215040 its reverse (405120504), we get a palindrome (4455335544).

The spelling of 4050215040 in words is "four billion, fifty million, two hundred fifteen thousand, forty".