401946160 has 160 divisors (see below), whose sum is σ = 1216207872. Its totient is φ = 119792640.

The previous prime is 401946151. The next prime is 401946163. The reversal of 401946160 is 61649104.

It is not an unprimeable number, because it can be changed into a prime (401946163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140262 + ... + 143098.

Almost surely, 2^401946160 is an apocalyptic number.

401946160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401946160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608103936).

401946160 is an abundant number, since it is smaller than the sum of its proper divisors (814261712).

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

401946160 is a wasteful number, since it uses less digits than its factorization.

401946160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 401946160 is about 20048.5949632387. The cubic root of 401946160 is about 737.9993194325. Note that the first 3 decimals are identical.

The spelling of 401946160 in words is "four hundred one million, nine hundred forty-six thousand, one hundred sixty".