402448664068 has 12 divisors (see below), whose sum is σ = 768311086032. Its totient is φ = 182931210920.

The previous prime is 402448664017. The next prime is 402448664081. The reversal of 402448664068 is 860466844204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4573280230 + ... + 4573280317.

It is an arithmetic number, because the mean of its divisors is an integer number (64025923836).

Almost surely, 2^402448664068 is an apocalyptic number.

It is an amenable number.

402448664068 is a deficient number, since it is larger than the sum of its proper divisors (365862421964).

402448664068 is a wasteful number, since it uses less digits than its factorization.

402448664068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9146560562 (or 9146560560 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 52.

The spelling of 402448664068 in words is "four hundred two billion, four hundred forty-eight million, six hundred sixty-four thousand, sixty-eight".