10686074940 has 72 divisors (see below), whose sum is σ = 32557346640. Its totient is φ = 2837055744.

The previous prime is 10686074929. The next prime is 10686074941. The reversal of 10686074940 is 4947068601.

It is a super-2 number, since 2×10686074940² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10686074941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89905 + ... + 171624.

It is an arithmetic number, because the mean of its divisors is an integer number (452185370).

Almost surely, 2^10686074940 is an apocalyptic number.

10686074940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10686074940 is an abundant number, since it is smaller than the sum of its proper divisors (21871271700).

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

10686074940 is a wasteful number, since it uses less digits than its factorization.

10686074940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261771 (or 261766 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 10686074940 in words is "ten billion, six hundred eighty-six million, seventy-four thousand, nine hundred forty".