6465942960 has 40 divisors (see below), whose sum is σ = 20044423920. Its totient is φ = 1724251392.

The previous prime is 6465942947. The next prime is 6465942961. The reversal of 6465942960 is 692495646.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (6465942961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13470475 + ... + 13470954.

It is an arithmetic number, because the mean of its divisors is an integer number (501110598).

Almost surely, 2^6465942960 is an apocalyptic number.

6465942960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6465942960 is an abundant number, since it is smaller than the sum of its proper divisors (13578480960).

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

6465942960 is a wasteful number, since it uses less digits than its factorization.

6465942960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26941445 (or 26941439 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The square root of 6465942960 is about 80411.0872952232. The cubic root of 6465942960 is about 1862.9904259918.

The spelling of 6465942960 in words is "six billion, four hundred sixty-five million, nine hundred forty-two thousand, nine hundred sixty".