8464055540 has 24 divisors (see below), whose sum is σ = 18820077192. Its totient is φ = 3186467840.

The previous prime is 8464055531. The next prime is 8464055563. The reversal of 8464055540 is 455504648.

It can be written as a sum of positive squares in 4 ways, for example, as 3962450704 + 4501604836 = 62948^2 + 67094^2 .

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, 12446801 + ... + 12447480.

It is an arithmetic number, because the mean of its divisors is an integer number (784169883).

Almost surely, 2^8464055540 is an apocalyptic number.

It is an amenable number.

8464055540 is an abundant number, since it is smaller than the sum of its proper divisors (10356021652).

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

8464055540 is a wasteful number, since it uses less digits than its factorization.

8464055540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24894307 (or 24894305 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The square root of 8464055540 is about 92000.3018473309. The cubic root of 8464055540 is about 2037.9467631097.

The spelling of 8464055540 in words is "eight billion, four hundred sixty-four million, fifty-five thousand, five hundred forty".