401003231024 has 80 divisors (see below), whose sum is σ = 885811590144. Its totient is φ = 174076108800.

The previous prime is 401003231023. The next prime is 401003231099. The reversal of 401003231024 is 420132300104.

It is a junction number, because it is equal to n+sod(n) for n = 401003230987 and 401003231005.

It is not an unprimeable number, because it can be changed into a prime (401003231021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2517497 + ... + 2672039.

Almost surely, 2^401003231024 is an apocalyptic number.

401003231024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401003231024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442905795072).

401003231024 is an abundant number, since it is smaller than the sum of its proper divisors (484808359120).

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

401003231024 is a wasteful number, since it uses less digits than its factorization.

401003231024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155226 (or 155220 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 401003231024 its reverse (420132300104), we get a palindrome (821135531128).

The spelling of 401003231024 in words is "four hundred one billion, three million, two hundred thirty-one thousand, twenty-four".