8474641920 has 120 divisors (see below), whose sum is σ = 29350148256. Its totient is φ = 2259898368.

The previous prime is 8474641919. The next prime is 8474641921. The reversal of 8474641920 is 291464748.

It is an interprime number because it is at equal distance from previous prime (8474641919) and next prime (8474641921).

It is a tau number, because it is divible by the number of its divisors (120).

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 (8474641921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160872 + ... + 206951.

Almost surely, 2^8474641920 is an apocalyptic number.

8474641920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8474641920 is an abundant number, since it is smaller than the sum of its proper divisors (20875506336).

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

8474641920 is a wasteful number, since it uses less digits than its factorization.

8474641920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367852 (or 367833 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 8474641920 is about 92057.8183534674. The cubic root of 8474641920 is about 2038.7960600875.

The spelling of 8474641920 in words is "eight billion, four hundred seventy-four million, six hundred forty-one thousand, nine hundred twenty".