10404002021 has 16 divisors (see below), whose sum is σ = 12069129600. Its totient is φ = 8784484800.

The previous prime is 10404001997. The next prime is 10404002069. The reversal of 10404002021 is 12020040401.

It is not a de Polignac number, because 10404002021 - 2²⁶ = 10336893157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10404001987 and 10404002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404002221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101930 + ... + 176628.

It is an arithmetic number, because the mean of its divisors is an integer number (754320600).

Almost surely, 2^10404002021 is an apocalyptic number.

It is an amenable number.

10404002021 is a deficient number, since it is larger than the sum of its proper divisors (1665127579).

10404002021 is a wasteful number, since it uses less digits than its factorization.

10404002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75004.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10404002021 its reverse (12020040401), we get a palindrome (22424042422).

The spelling of 10404002021 in words is "ten billion, four hundred four million, two thousand, twenty-one".