401224426 has 8 divisors (see below), whose sum is σ = 612037440. Its totient is φ = 197211948.

The previous prime is 401224423. The next prime is 401224433. The reversal of 401224426 is 624422104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 401224426.

It is not an unprimeable number, because it can be changed into a prime (401224423) 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 3 ways as a sum of consecutive naturals, for example, 1699986 + ... + 1700221.

It is an arithmetic number, because the mean of its divisors is an integer number (76504680).

Almost surely, 2^401224426 is an apocalyptic number.

401224426 is a deficient number, since it is larger than the sum of its proper divisors (210813014).

401224426 is a wasteful number, since it uses less digits than its factorization.

401224426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400268.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 401224426 is about 20030.5872604874. The cubic root of 401224426 is about 737.5573379150.

The spelling of 401224426 in words is "four hundred one million, two hundred twenty-four thousand, four hundred twenty-six".