401336555 has 8 divisors (see below), whose sum is σ = 481799472. Its totient is φ = 320938848.

The previous prime is 401336543. The next prime is 401336581. The reversal of 401336555 is 555633104.

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 401336555 - 2⁶ = 401336491 is a prime.

It is a super-2 number, since 2×401336555² = 322142060758536050, 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, 1544 + ... + 28373.

It is an arithmetic number, because the mean of its divisors is an integer number (60224934).

Almost surely, 2^401336555 is an apocalyptic number.

401336555 is a deficient number, since it is larger than the sum of its proper divisors (80462917).

401336555 is a wasteful number, since it uses less digits than its factorization.

401336555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32605.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 401336555 is about 20033.3860093595. The cubic root of 401336555 is about 737.6260391691.

Adding to 401336555 its reverse (555633104), we get a palindrome (956969659).

The spelling of 401336555 in words is "four hundred one million, three hundred thirty-six thousand, five hundred fifty-five".