401994254 has 8 divisors (see below), whose sum is σ = 604720200. Its totient is φ = 200420856.

The previous prime is 401994251. The next prime is 401994269. The reversal of 401994254 is 452499104.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401994251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287264 + ... + 288659.

It is an arithmetic number, because the mean of its divisors is an integer number (75590025).

Almost surely, 2^401994254 is an apocalyptic number.

401994254 is a deficient number, since it is larger than the sum of its proper divisors (202725946).

401994254 is a wasteful number, since it uses less digits than its factorization.

401994254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576274.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 401994254 is about 20049.7943630352. The cubic root of 401994254 is about 738.0287528304.

The spelling of 401994254 in words is "four hundred one million, nine hundred ninety-four thousand, two hundred fifty-four".