6400835548 has 12 divisors (see below), whose sum is σ = 11260109952. Its totient is φ = 3183661280.

The previous prime is 6400835533. The next prime is 6400835557. The reversal of 6400835548 is 8455380046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4188265 + ... + 4189792.

It is an arithmetic number, because the mean of its divisors is an integer number (938342496).

Almost surely, 2^6400835548 is an apocalyptic number.

It is an amenable number.

6400835548 is a deficient number, since it is larger than the sum of its proper divisors (4859274404).

6400835548 is a wasteful number, since it uses less digits than its factorization.

6400835548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378252 (or 8378250 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 6400835548 is about 80005.2220045667. Note that the first 3 decimals coincide. The cubic root of 6400835548 is about 1856.7163272264.

The spelling of 6400835548 in words is "six billion, four hundred million, eight hundred thirty-five thousand, five hundred forty-eight".