401231850 has 24 divisors (see below), whose sum is σ = 995055360. Its totient is φ = 106995120.

The previous prime is 401231821. The next prime is 401231851. The reversal of 401231850 is 58132104.

It is a self number, because there is not a number n which added to its sum of digits gives 401231850.

It is not an unprimeable number, because it can be changed into a prime (401231851) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1337290 + ... + 1337589.

It is an arithmetic number, because the mean of its divisors is an integer number (41460640).

Almost surely, 2^401231850 is an apocalyptic number.

401231850 is an abundant number, since it is smaller than the sum of its proper divisors (593823510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401231850 is a wasteful number, since it uses less digits than its factorization.

401231850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674894 (or 2674889 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 401231850 is about 20030.7725762138. The cubic root of 401231850 is about 737.5618869832.

Adding to 401231850 its reverse (58132104), we get a palindrome (459363954).

The spelling of 401231850 in words is "four hundred one million, two hundred thirty-one thousand, eight hundred fifty".