402669510282 has 96 divisors (see below), whose sum is σ = 975595525632. Its totient is φ = 123741307584.

The previous prime is 402669510251. The next prime is 402669510301. The reversal of 402669510282 is 282015966204.

402669510282 is a `hidden beast` number, since 402 + 6 + 69 + 5 + 102 + 82 = 666.

402669510282 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4995463 + ... + 5075429.

It is an arithmetic number, because the mean of its divisors is an integer number (10162453392).

Almost surely, 2^402669510282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402669510282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487797762816).

402669510282 is an abundant number, since it is smaller than the sum of its proper divisors (572926015350).

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

402669510282 is a wasteful number, since it uses less digits than its factorization.

402669510282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80794 (or 80782 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 402669510282 in words is "four hundred two billion, six hundred sixty-nine million, five hundred ten thousand, two hundred eighty-two".