8690426480 has 40 divisors (see below), whose sum is σ = 20307843072. Its totient is φ = 3458518784.

The previous prime is 8690426389. The next prime is 8690426557. The reversal of 8690426480 is 846240968.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259952 + ... + 291471.

Almost surely, 2^8690426480 is an apocalyptic number.

8690426480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8690426480 is an abundant number, since it is smaller than the sum of its proper divisors (11617416592).

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

8690426480 is a wasteful number, since it uses less digits than its factorization.

8690426480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551633 (or 551627 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 8690426480 is about 93222.4569511016. The cubic root of 8690426480 is about 2055.9554348973.

The spelling of 8690426480 in words is "eight billion, six hundred ninety million, four hundred twenty-six thousand, four hundred eighty".