10401321204 has 36 divisors (see below), whose sum is σ = 26308438884. Its totient is φ = 3464969472.

The previous prime is 10401321199. The next prime is 10401321233. The reversal of 10401321204 is 40212310401.

It can be written as a sum of positive squares in 2 ways, for example, as 3732965604 + 6668355600 = 61098^2 + 81660^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29317 + ... + 147180.

It is an arithmetic number, because the mean of its divisors is an integer number (730789969).

Almost surely, 2^10401321204 is an apocalyptic number.

It is an amenable number.

10401321204 is an abundant number, since it is smaller than the sum of its proper divisors (15907117680).

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

10401321204 is a wasteful number, since it uses less digits than its factorization.

10401321204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178144 (or 178139 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10401321204 its reverse (40212310401), we get a palindrome (50613631605).

The spelling of 10401321204 in words is "ten billion, four hundred one million, three hundred twenty-one thousand, two hundred four".