10401243320 has 64 divisors (see below), whose sum is σ = 25216107840. Its totient is φ = 3838464000.

The previous prime is 10401243311. The next prime is 10401243337. The reversal of 10401243320 is 2334210401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10401243292 and 10401243301.

It is a congruent number.

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, 1322600 + ... + 1330440.

It is an arithmetic number, because the mean of its divisors is an integer number (394001685).

Almost surely, 2^10401243320 is an apocalyptic number.

10401243320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10401243320 is an abundant number, since it is smaller than the sum of its proper divisors (14814864520).

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

10401243320 is a wasteful number, since it uses less digits than its factorization.

10401243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10416 (or 10412 counting only the distinct ones).

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

Adding to 10401243320 its reverse (2334210401), we get a palindrome (12735453721).

The spelling of 10401243320 in words is "ten billion, four hundred one million, two hundred forty-three thousand, three hundred twenty".