402446366 has 16 divisors (see below), whose sum is σ = 690167520. Its totient is φ = 172412160.

The previous prime is 402446351. The next prime is 402446381. The reversal of 402446366 is 663644204.

It is an interprime number because it is at equal distance from previous prime (402446351) and next prime (402446381).

It is a congruent 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, 63050 + ... + 69138.

It is an arithmetic number, because the mean of its divisors is an integer number (43135470).

Almost surely, 2^402446366 is an apocalyptic number.

402446366 is a deficient number, since it is larger than the sum of its proper divisors (287721154).

402446366 is a wasteful number, since it uses less digits than its factorization.

402446366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10819.

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 402446366 is about 20061.0659238237. The cubic root of 402446366 is about 738.3053294562.

The spelling of 402446366 in words is "four hundred two million, four hundred forty-six thousand, three hundred sixty-six".