401277146 has 8 divisors (see below), whose sum is σ = 637322580. Its totient is φ = 188836288.

The previous prime is 401277077. The next prime is 401277157. The reversal of 401277146 is 641772104.

It can be written as a sum of positive squares in 2 ways, for example, as 396607225 + 4669921 = 19915^2 + 2161^2 .

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

It is a super-2 number, since 2×401277146² = 322046695803810632, which contains 22 as substring.

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, 5901101 + ... + 5901168.

Almost surely, 2^401277146 is an apocalyptic number.

401277146 is a deficient number, since it is larger than the sum of its proper divisors (236045434).

401277146 is a wasteful number, since it uses less digits than its factorization.

401277146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11802288.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 401277146 is about 20031.9032046383. The cubic root of 401277146 is about 737.5896409665.

The spelling of 401277146 in words is "four hundred one million, two hundred seventy-seven thousand, one hundred forty-six".