402441166 has 64 divisors (see below), whose sum is σ = 690923520. Its totient is φ = 174873600.

The previous prime is 402441161. The next prime is 402441167. The reversal of 402441166 is 661144204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402441161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3984516 + ... + 3984616.

It is an arithmetic number, because the mean of its divisors is an integer number (10795680).

Almost surely, 2^402441166 is an apocalyptic number.

402441166 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

402441166 is a deficient number, since it is larger than the sum of its proper divisors (288482354).

402441166 is a wasteful number, since it uses less digits than its factorization.

402441166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 402441166 is about 20060.9363191253. The cubic root of 402441166 is about 738.3021495672.

The spelling of 402441166 in words is "four hundred two million, four hundred forty-one thousand, one hundred sixty-six".