402005050 has 24 divisors (see below), whose sum is σ = 748273536. Its totient is φ = 160685040.

The previous prime is 402005033. The next prime is 402005057. The reversal of 402005050 is 50500204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402005057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108529 + ... + 112171.

It is an arithmetic number, because the mean of its divisors is an integer number (31178064).

Almost surely, 2^402005050 is an apocalyptic number.

402005050 is a deficient number, since it is larger than the sum of its proper divisors (346268486).

402005050 is a wasteful number, since it uses less digits than its factorization.

402005050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5862 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 402005050 is about 20050.0635909216. The cubic root of 402005050 is about 738.0353596305.

Adding to 402005050 its reverse (50500204), we get a palindrome (452505254).

The spelling of 402005050 in words is "four hundred two million, five thousand, fifty".