401210652 has 12 divisors (see below), whose sum is σ = 936158216. Its totient is φ = 133736880.

The previous prime is 401210617. The next prime is 401210657. The reversal of 401210652 is 256012104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×401210652³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401210657) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16717099 + ... + 16717122.

Almost surely, 2^401210652 is an apocalyptic number.

It is an amenable number.

401210652 is an abundant number, since it is smaller than the sum of its proper divisors (534947564).

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

401210652 is a wasteful number, since it uses less digits than its factorization.

401210652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33434228 (or 33434226 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 401210652 is about 20030.2434333685. The cubic root of 401210652 is about 737.5488977251.

Adding to 401210652 its reverse (256012104), we get a palindrome (657222756).

The spelling of 401210652 in words is "four hundred one million, two hundred ten thousand, six hundred fifty-two".