401215230 has 96 divisors (see below), whose sum is σ = 1128070944. Its totient is φ = 98350848.

The previous prime is 401215189. The next prime is 401215231. The reversal of 401215230 is 32512104.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401215231) 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 47 ways as a sum of consecutive naturals, for example, 358632 + ... + 359748.

It is an arithmetic number, because the mean of its divisors is an integer number (11750739).

Almost surely, 2^401215230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401215230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564035472).

401215230 is an abundant number, since it is smaller than the sum of its proper divisors (726855714).

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

401215230 is a wasteful number, since it uses less digits than its factorization.

401215230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 401215230 is about 20030.3577102357. The cubic root of 401215230 is about 737.5517029730.

Adding to 401215230 its reverse (32512104), we get a palindrome (433727334).

The spelling of 401215230 in words is "four hundred one million, two hundred fifteen thousand, two hundred thirty".