401219345 has 4 divisors (see below), whose sum is σ = 481463220. Its totient is φ = 320975472.

The previous prime is 401219327. The next prime is 401219389. The reversal of 401219345 is 543912104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 182682256 + 218537089 = 13516^2 + 14783^2 .

It is a cyclic number.

It is not a de Polignac number, because 401219345 - 2⁶ = 401219281 is a prime.

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, 40121930 + ... + 40121939.

It is an arithmetic number, because the mean of its divisors is an integer number (120365805).

Almost surely, 2^401219345 is an apocalyptic number.

It is an amenable number.

401219345 is a deficient number, since it is larger than the sum of its proper divisors (80243875).

401219345 is an equidigital number, since it uses as much as digits as its factorization.

401219345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80243874.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 401219345 is about 20030.4604290565. The cubic root of 401219345 is about 737.5542244915.

The spelling of 401219345 in words is "four hundred one million, two hundred nineteen thousand, three hundred forty-five".