402506036050 has 36 divisors (see below), whose sum is σ = 795290674590. Its totient is φ = 151531678720.

The previous prime is 402506036041. The next prime is 402506036071. The reversal of 402506036050 is 50630605204.

It can be written as a sum of positive squares in 9 ways, for example, as 229898193529 + 172607842521 = 479477^2 + 415461^2 .

It is a super-2 number, since 2×402506036050² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13913095 + ... + 13941994.

Almost surely, 2^402506036050 is an apocalyptic number.

402506036050 is a deficient number, since it is larger than the sum of its proper divisors (392784638540).

402506036050 is a wasteful number, since it uses less digits than its factorization.

402506036050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27855135 (or 27855113 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 402506036050 in words is "four hundred two billion, five hundred six million, thirty-six thousand, fifty".