402666414 has 16 divisors (see below), whose sum is σ = 805548240. Its totient is φ = 134186240.

The previous prime is 402666401. The next prime is 402666457. The reversal of 402666414 is 414666204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25534 + ... + 38174.

It is an arithmetic number, because the mean of its divisors is an integer number (50346765).

Almost surely, 2^402666414 is an apocalyptic number.

402666414 is an abundant number, since it is smaller than the sum of its proper divisors (402881826).

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

402666414 is a wasteful number, since it uses less digits than its factorization.

402666414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17955.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 402666414 is about 20066.5496286731. The cubic root of 402666414 is about 738.4398674747.

The spelling of 402666414 in words is "four hundred two million, six hundred sixty-six thousand, four hundred fourteen".