4002402050 has 24 divisors (see below), whose sum is σ = 7451380596. Its totient is φ = 1599474240.

The previous prime is 4002402023. The next prime is 4002402121. The reversal of 4002402050 is 502042004.

It can be written as a sum of positive squares in 6 ways, for example, as 2708057521 + 1294344529 = 52039^2 + 35977^2 .

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, 18032 + ... + 91268.

Almost surely, 2^4002402050 is an apocalyptic number.

4002402050 is a deficient number, since it is larger than the sum of its proper divisors (3448978546).

4002402050 is a wasteful number, since it uses less digits than its factorization.

4002402050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74342 (or 74337 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4002402050 is about 63264.5402259433. The cubic root of 4002402050 is about 1587.7187397763.

Adding to 4002402050 its reverse (502042004), we get a palindrome (4504444054).

The spelling of 4002402050 in words is "four billion, two million, four hundred two thousand, fifty".