401297590 has 8 divisors (see below), whose sum is σ = 722335680. Its totient is φ = 160519032.

The previous prime is 401297581. The next prime is 401297593. The reversal of 401297590 is 95792104.

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

It is a super-2 number, since 2×401297590² = 322079511479616200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401297593) 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, 20064870 + ... + 20064889.

It is an arithmetic number, because the mean of its divisors is an integer number (90291960).

Almost surely, 2^401297590 is an apocalyptic number.

401297590 is a deficient number, since it is larger than the sum of its proper divisors (321038090).

401297590 is a wasteful number, since it uses less digits than its factorization.

401297590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40129766.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 401297590 is about 20032.4134841511. The cubic root of 401297590 is about 737.6021668285.

The spelling of 401297590 in words is "four hundred one million, two hundred ninety-seven thousand, five hundred ninety".