401144293 has 8 divisors (see below), whose sum is σ = 439161696. Its totient is φ = 363385200.

The previous prime is 401144279. The next prime is 401144323. The reversal of 401144293 is 392441104.

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

It is a cyclic number.

It is not a de Polignac number, because 401144293 - 2²¹ = 399047141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401144203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61318 + ... + 67543.

It is an arithmetic number, because the mean of its divisors is an integer number (54895212).

Almost surely, 2^401144293 is an apocalyptic number.

It is an amenable number.

401144293 is a deficient number, since it is larger than the sum of its proper divisors (38017403).

401144293 is a wasteful number, since it uses less digits than its factorization.

401144293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129155.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 401144293 is about 20028.5868947362. The cubic root of 401144293 is about 737.5082327148.

Adding to 401144293 its reverse (392441104), we get a palindrome (793585397).

The spelling of 401144293 in words is "four hundred one million, one hundred forty-four thousand, two hundred ninety-three".