402211877982 has 16 divisors (see below), whose sum is σ = 812716785552. Its totient is φ = 132688454400.

The previous prime is 402211877981. The next prime is 402211878007. The reversal of 402211877982 is 289778112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402211877981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345542269 + ... + 345543432.

It is an arithmetic number, because the mean of its divisors is an integer number (50794799097).

Almost surely, 2^402211877982 is an apocalyptic number.

402211877982 is an abundant number, since it is smaller than the sum of its proper divisors (410504907570).

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

402211877982 is a wasteful number, since it uses less digits than its factorization.

402211877982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691085803.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 402211877982 in words is "four hundred two billion, two hundred eleven million, eight hundred seventy-seven thousand, nine hundred eighty-two".