401023412 has 12 divisors (see below), whose sum is σ = 702857316. Its totient is φ = 200207040.

The previous prime is 401023369. The next prime is 401023433. The reversal of 401023412 is 214320104.

It can be written as a sum of positive squares in 2 ways, for example, as 299497636 + 101525776 = 17306^2 + 10076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73193 + ... + 78480.

It is an arithmetic number, because the mean of its divisors is an integer number (58571443).

Almost surely, 2^401023412 is an apocalyptic number.

It is an amenable number.

401023412 is a deficient number, since it is larger than the sum of its proper divisors (301833904).

401023412 is a wasteful number, since it uses less digits than its factorization.

401023412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152338 (or 152336 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 401023412 is about 20025.5689557126. The cubic root of 401023412 is about 737.4341449192.

Adding to 401023412 its reverse (214320104), we get a palindrome (615343516).

The spelling of 401023412 in words is "four hundred one million, twenty-three thousand, four hundred twelve".