10206399804 has 12 divisors (see below), whose sum is σ = 23814932904. Its totient is φ = 3402133264.

The previous prime is 10206399787. The next prime is 10206399823. The reversal of 10206399804 is 40899360201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425266647 + ... + 425266670.

It is an arithmetic number, because the mean of its divisors is an integer number (1984577742).

Almost surely, 2^10206399804 is an apocalyptic number.

It is an amenable number.

10206399804 is an abundant number, since it is smaller than the sum of its proper divisors (13608533100).

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

10206399804 is a wasteful number, since it uses less digits than its factorization.

10206399804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850533324 (or 850533322 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 10206399804 in words is "ten billion, two hundred six million, three hundred ninety-nine thousand, eight hundred four".