401266265 has 8 divisors (see below), whose sum is σ = 481713288. Its totient is φ = 320883840.

The previous prime is 401266247. The next prime is 401266319. The reversal of 401266265 is 562662104.

It can be written as a sum of positive squares in 4 ways, for example, as 200392336 + 200873929 = 14156^2 + 14173^2 .

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

It is not a de Polignac number, because 401266265 - 2⁸ = 401266009 is a prime.

It is a super-2 number, since 2×401266265² = 322029230854100450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226 + ... + 28355.

It is an arithmetic number, because the mean of its divisors is an integer number (60214161).

Almost surely, 2^401266265 is an apocalyptic number.

It is an amenable number.

401266265 is a deficient number, since it is larger than the sum of its proper divisors (80447023).

401266265 is a wasteful number, since it uses less digits than its factorization.

401266265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32299.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 401266265 is about 20031.6316110296. The cubic root of 401266265 is about 737.5829740983.

The spelling of 401266265 in words is "four hundred one million, two hundred sixty-six thousand, two hundred sixty-five".