402353896866 has 16 divisors (see below), whose sum is σ = 818346909600. Its totient is φ = 131844779648.

The previous prime is 402353896859. The next prime is 402353896877. The reversal of 402353896866 is 668698353204.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568296111 + ... + 568296818.

It is an arithmetic number, because the mean of its divisors is an integer number (51146681850).

Almost surely, 2^402353896866 is an apocalyptic number.

402353896866 is an abundant number, since it is smaller than the sum of its proper divisors (415993012734).

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

402353896866 is a wasteful number, since it uses less digits than its factorization.

402353896866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136592993.

The product of its (nonzero) digits is 44789760, while the sum is 60.

The spelling of 402353896866 in words is "four hundred two billion, three hundred fifty-three million, eight hundred ninety-six thousand, eight hundred sixty-six".