401288875 has 16 divisors (see below), whose sum is σ = 539334432. Its totient is φ = 296335200.

The previous prime is 401288869. The next prime is 401288891. The reversal of 401288875 is 578882104.

It is not a de Polignac number, because 401288875 - 2¹⁷ = 401157803 is a prime.

It is a super-2 number, since 2×401288875² = 322065522397531250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121849 + ... + 125098.

It is an arithmetic number, because the mean of its divisors is an integer number (33708402).

Almost surely, 2^401288875 is an apocalyptic number.

401288875 is a deficient number, since it is larger than the sum of its proper divisors (138045557).

401288875 is a wasteful number, since it uses less digits than its factorization.

401288875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246975 (or 246965 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 401288875 is about 20032.1959605032. The cubic root of 401288875 is about 737.5968272754.

The spelling of 401288875 in words is "four hundred one million, two hundred eighty-eight thousand, eight hundred seventy-five".