402252630650884 has 48 divisors (see below), whose sum is σ = 837584466461568. Its totient is φ = 167137036374528.

The previous prime is 402252630650873. The next prime is 402252630650887. The reversal of 402252630650884 is 488056036252204.

It is not an unprimeable number, because it can be changed into a prime (402252630650887) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9892086462 + ... + 9892127125.

It is an arithmetic number, because the mean of its divisors is an integer number (17449676384616).

Almost surely, 2^{402252630650884} is an apocalyptic number.

It is an amenable number.

402252630650884 is an abundant number, since it is smaller than the sum of its proper divisors (435331835810684).

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

402252630650884 is a wasteful number, since it uses less digits than its factorization.

402252630650884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19784213644 (or 19784213642 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 55.

The spelling of 402252630650884 in words is "four hundred two trillion, two hundred fifty-two billion, six hundred thirty million, six hundred fifty thousand, eight hundred eighty-four".