402208820008 has 8 divisors (see below), whose sum is σ = 754141537530. Its totient is φ = 201104410000.

The previous prime is 402208819981. The next prime is 402208820021. The reversal of 402208820008 is 800028802204.

It can be written as a sum of positive squares in only one way, i.e., 264198056004 + 138010764004 = 514002^2 + 371498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×402208820008² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25138051243 + ... + 25138051258.

Almost surely, 2^402208820008 is an apocalyptic number.

It is an amenable number.

402208820008 is a deficient number, since it is larger than the sum of its proper divisors (351932717522).

402208820008 is a wasteful number, since it uses less digits than its factorization.

402208820008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50276102507 (or 50276102503 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The spelling of 402208820008 in words is "four hundred two billion, two hundred eight million, eight hundred twenty thousand, eight".