4002540050 has 24 divisors (see below), whose sum is σ = 7475637972. Its totient is φ = 1594368000.

The previous prime is 4002540049. The next prime is 4002540079. The reversal of 4002540050 is 500452004.

It is a happy number.

4002540050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1208466169 + 2794073881 = 34763^2 + 52859^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154031 + ... + 178130.

Almost surely, 2^4002540050 is an apocalyptic number.

4002540050 is a deficient number, since it is larger than the sum of its proper divisors (3473097922).

4002540050 is a wasteful number, since it uses less digits than its factorization.

4002540050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332414 (or 332409 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4002540050 is about 63265.6308749071. The cubic root of 4002540050 is about 1587.7369873740.

Adding to 4002540050 its reverse (500452004), we get a palindrome (4502992054).

The spelling of 4002540050 in words is "four billion, two million, five hundred forty thousand, fifty".