401136670 has 32 divisors (see below), whose sum is σ = 788538240. Its totient is φ = 145710240.

The previous prime is 401136649. The next prime is 401136691. The reversal of 401136670 is 76631104.

It is an interprime number because it is at equal distance from previous prime (401136649) and next prime (401136691).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 161901 + ... + 164359.

It is an arithmetic number, because the mean of its divisors is an integer number (24641820).

Almost surely, 2^401136670 is an apocalyptic number.

401136670 is a deficient number, since it is larger than the sum of its proper divisors (387401570).

401136670 is a wasteful number, since it uses less digits than its factorization.

401136670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 401136670 is about 20028.3965908407. The cubic root of 401136670 is about 737.5035610285.

Adding to 401136670 its reverse (76631104), we get a palindrome (477767774).

The spelling of 401136670 in words is "four hundred one million, one hundred thirty-six thousand, six hundred seventy".