6414640450 has 12 divisors (see below), whose sum is σ = 11931231330. Its totient is φ = 2565856160.

The previous prime is 6414640439. The next prime is 6414640493. The reversal of 6414640450 is 540464146.

It can be written as a sum of positive squares in 3 ways, for example, as 4670492281 + 1744148169 = 68341^2 + 41763^2 .

It is a super-3 number, since 3×6414640450³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64146355 + ... + 64146454.

Almost surely, 2^6414640450 is an apocalyptic number.

6414640450 is a deficient number, since it is larger than the sum of its proper divisors (5516590880).

6414640450 is a wasteful number, since it uses less digits than its factorization.

6414640450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128292821 (or 128292816 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 6414640450 is about 80091.4505424892. The cubic root of 6414640450 is about 1858.0501833982.

The spelling of 6414640450 in words is "six billion, four hundred fourteen million, six hundred forty thousand, four hundred fifty".