2100001040404 has 24 divisors (see below), whose sum is σ = 3739268874600. Its totient is φ = 1031675566080.

The previous prime is 2100001040381. The next prime is 2100001040471. The reversal of 2100001040404 is 4040401000012.

It can be written as a sum of positive squares in 4 ways, for example, as 186841791504 + 1913159248900 = 432252^2 + 1383170^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4405489 + ... + 4858840.

It is an arithmetic number, because the mean of its divisors is an integer number (155802869775).

Almost surely, 2^{2100001040404} is an apocalyptic number.

It is an amenable number.

2100001040404 is a deficient number, since it is larger than the sum of its proper divisors (1639267834196).

2100001040404 is a wasteful number, since it uses less digits than its factorization.

2100001040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265323 (or 9265321 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2100001040404 its reverse (4040401000012), we get a palindrome (6140402040416).

The spelling of 2100001040404 in words is "two trillion, one hundred billion, one million, forty thousand, four hundred four".