401235530 has 32 divisors (see below), whose sum is σ = 776143296. Its totient is φ = 148794624.

The previous prime is 401235487. The next prime is 401235533. The reversal of 401235530 is 35532104.

It is a junction number, because it is equal to n+sod(n) for n = 401235496 and 401235505.

It is not an unprimeable number, because it can be changed into a prime (401235533) 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 15 ways as a sum of consecutive naturals, for example, 6224 + ... + 29003.

It is an arithmetic number, because the mean of its divisors is an integer number (24254478).

Almost surely, 2^401235530 is an apocalyptic number.

401235530 is a deficient number, since it is larger than the sum of its proper divisors (374907766).

401235530 is a wasteful number, since it uses less digits than its factorization.

401235530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35318.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 401235530 is about 20030.8644346668. The cubic root of 401235530 is about 737.5641418885.

Adding to 401235530 its reverse (35532104), we get a palindrome (436767634).

The spelling of 401235530 in words is "four hundred one million, two hundred thirty-five thousand, five hundred thirty".