401066868 has 48 divisors (see below), whose sum is σ = 970865280. Its totient is φ = 128709504.

The previous prime is 401066851. The next prime is 401066903. The reversal of 401066868 is 868660104.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 136705 + ... + 139607.

It is an arithmetic number, because the mean of its divisors is an integer number (20226360).

Almost surely, 2^401066868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401066868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485432640).

401066868 is an abundant number, since it is smaller than the sum of its proper divisors (569798412).

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

401066868 is a wasteful number, since it uses less digits than its factorization.

401066868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336 (or 3334 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 401066868 is about 20026.6539391881. The cubic root of 401066868 is about 737.4607807546.

The spelling of 401066868 in words is "four hundred one million, sixty-six thousand, eight hundred sixty-eight".