402300001044 has 18 divisors (see below), whose sum is σ = 1016925002730. Its totient is φ = 134100000336.

The previous prime is 402300001001. The next prime is 402300001163. The reversal of 402300001044 is 440100003204.

It can be written as a sum of positive squares in only one way, i.e., 325426893444 + 76873107600 = 570462^2 + 277260^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 5587499979 + ... + 5587500050.

It is an arithmetic number, because the mean of its divisors is an integer number (56495833485).

Almost surely, 2^402300001044 is an apocalyptic number.

It is an amenable number.

402300001044 is an abundant number, since it is smaller than the sum of its proper divisors (614625001686).

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

402300001044 is a wasteful number, since it uses less digits than its factorization.

402300001044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11175000039 (or 11175000034 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 402300001044 its reverse (440100003204), we get a palindrome (842400004248).

The spelling of 402300001044 in words is "four hundred two billion, three hundred million, one thousand, forty-four".