401232285 has 40 divisors (see below), whose sum is σ = 722294496. Its totient is φ = 213084000.

The previous prime is 401232281. The next prime is 401232301. The reversal of 401232285 is 582232104.

401232285 is a `hidden beast` number, since 401 + 232 + 28 + 5 = 666.

It is not a de Polignac number, because 401232285 - 2² = 401232281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401232281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99682 + ... + 103628.

Almost surely, 2^401232285 is an apocalyptic number.

401232285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

401232285 is a deficient number, since it is larger than the sum of its proper divisors (321062211).

401232285 is a wasteful number, since it uses less digits than its factorization.

401232285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215 (or 4206 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 401232285 is about 20030.7834345040. The cubic root of 401232285 is about 737.5621535284.

Adding to 401232285 its reverse (582232104), we get a palindrome (983464389).

The spelling of 401232285 in words is "four hundred one million, two hundred thirty-two thousand, two hundred eighty-five".