8013409620 has 24 divisors (see below), whose sum is σ = 22437547104. Its totient is φ = 2136909216.

The previous prime is 8013409597. The next prime is 8013409669. The reversal of 8013409620 is 269043108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66778354 + ... + 66778473.

It is an arithmetic number, because the mean of its divisors is an integer number (934897796).

Almost surely, 2^8013409620 is an apocalyptic number.

It is an amenable number.

8013409620 is an abundant number, since it is smaller than the sum of its proper divisors (14424137484).

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

8013409620 is a wasteful number, since it uses less digits than its factorization.

8013409620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133556839 (or 133556837 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 8013409620 is about 89517.6497680765. The cubic root of 8013409620 is about 2001.1168445464.

The spelling of 8013409620 in words is "eight billion, thirteen million, four hundred nine thousand, six hundred twenty".