401232411244520 has 64 divisors (see below), whose sum is σ = 909889805905920. Its totient is φ = 159227764706304.

The previous prime is 401232411244513. The next prime is 401232411244601. The reversal of 401232411244520 is 25442114232104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667938224 + ... + 668538656.

It is an arithmetic number, because the mean of its divisors is an integer number (14217028217280).

Almost surely, 2^{401232411244520} is an apocalyptic number.

401232411244520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401232411244520 is an abundant number, since it is smaller than the sum of its proper divisors (508657394661400).

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

401232411244520 is a wasteful number, since it uses less digits than its factorization.

401232411244520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732114 (or 732110 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 401232411244520 its reverse (25442114232104), we get a palindrome (426674525476624).

The spelling of 401232411244520 in words is "four hundred one trillion, two hundred thirty-two billion, four hundred eleven million, two hundred forty-four thousand, five hundred twenty".