401202200 has 72 divisors (see below), whose sum is σ = 1085114700. Its totient is φ = 137551680.

The previous prime is 401202181. The next prime is 401202203. The reversal of 401202200 is 2202104.

401202200 = 3994² + 3995² + ... + 4018².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401202203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10670 + ... + 30269.

Almost surely, 2^401202200 is an apocalyptic number.

401202200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401202200 is an abundant number, since it is smaller than the sum of its proper divisors (683912500).

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

401202200 is a wasteful number, since it uses less digits than its factorization.

401202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40969 (or 40953 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 401202200 is about 20030.0324512967. The cubic root of 401202200 is about 737.5437185613.

Adding to 401202200 its reverse (2202104), we get a palindrome (403404304).

The spelling of 401202200 in words is "four hundred one million, two hundred two thousand, two hundred".