8426986940 has 12 divisors (see below), whose sum is σ = 17696672616. Its totient is φ = 3370794768.

The previous prime is 8426986927. The next prime is 8426986943. The reversal of 8426986940 is 496896248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8426986943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210674654 + ... + 210674693.

It is an arithmetic number, because the mean of its divisors is an integer number (1474722718).

Almost surely, 2^8426986940 is an apocalyptic number.

It is an amenable number.

8426986940 is an abundant number, since it is smaller than the sum of its proper divisors (9269685676).

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

8426986940 is a wasteful number, since it uses less digits than its factorization.

8426986940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421349356 (or 421349354 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 56.

The square root of 8426986940 is about 91798.6216672124. The cubic root of 8426986940 is about 2034.9673251660.

The spelling of 8426986940 in words is "eight billion, four hundred twenty-six million, nine hundred eighty-six thousand, nine hundred forty".