10266785504 has 12 divisors (see below), whose sum is σ = 20212734024. Its totient is φ = 5133392736.

The previous prime is 10266785491. The next prime is 10266785509. The reversal of 10266785504 is 40558766201.

It is a super-4 number, since 4×10266785504⁴ (a number of 41 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10266785509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160418492 + ... + 160418555.

It is an arithmetic number, because the mean of its divisors is an integer number (1684394502).

Almost surely, 2^10266785504 is an apocalyptic number.

It is an amenable number.

10266785504 is a deficient number, since it is larger than the sum of its proper divisors (9945948520).

10266785504 is an equidigital number, since it uses as much as digits as its factorization.

10266785504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320837057 (or 320837049 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 10266785504 in words is "ten billion, two hundred sixty-six million, seven hundred eighty-five thousand, five hundred four".