6442450506 has 24 divisors (see below), whose sum is σ = 14475630624. Its totient is φ = 2147483340.

The previous prime is 6442450501. The next prime is 6442450507. The reversal of 6442450506 is 6050542446.

6442450506 is a `hidden beast` number, since 64 + 42 + 4 + 50 + 506 = 666.

It is not an unprimeable number, because it can be changed into a prime (6442450501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6627550 + ... + 6628521.

It is an arithmetic number, because the mean of its divisors is an integer number (603151276).

Almost surely, 2^6442450506 is an apocalyptic number.

6442450506 is an abundant number, since it is smaller than the sum of its proper divisors (8033180118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6442450506 is a wasteful number, since it uses less digits than its factorization.

6442450506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13256088 (or 13256076 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 6442450506 is about 80264.8771630531. The cubic root of 6442450506 is about 1860.7314448919.

The spelling of 6442450506 in words is "six billion, four hundred forty-two million, four hundred fifty thousand, five hundred six".