401202234 has 56 divisors (see below), whose sum is σ = 906932052. Its totient is φ = 133047360.

The previous prime is 401202223. The next prime is 401202251. The reversal of 401202234 is 432202104.

It can be written as a sum of positive squares in 2 ways, for example, as 398122209 + 3080025 = 19953^2 + 1755^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 339124 + ... + 340304.

Almost surely, 2^401202234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401202234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453466026).

401202234 is an abundant number, since it is smaller than the sum of its proper divisors (505729818).

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

401202234 is a wasteful number, since it uses less digits than its factorization.

401202234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 401202234 is about 20030.0333000222. The cubic root of 401202234 is about 737.5437393957.

Adding to 401202234 its reverse (432202104), we get a palindrome (833404338).

The spelling of 401202234 in words is "four hundred one million, two hundred two thousand, two hundred thirty-four".