401802208 has 48 divisors (see below), whose sum is σ = 839586384. Its totient is φ = 188631040.

The previous prime is 401802199. The next prime is 401802211. The reversal of 401802208 is 802208104.

It is a super-2 number, since 2×401802208² = 322890028707350528, which contains 22 as substring.

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, 367743 + ... + 368833.

It is an arithmetic number, because the mean of its divisors is an integer number (17491383).

Almost surely, 2^401802208 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 401802208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419793192).

401802208 is an abundant number, since it is smaller than the sum of its proper divisors (437784176).

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

401802208 is a wasteful number, since it uses less digits than its factorization.

401802208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 401802208 is about 20045.0045647288. The cubic root of 401802208 is about 737.9112071648.

The spelling of 401802208 in words is "four hundred one million, eight hundred two thousand, two hundred eight".