6496705140 has 24 divisors (see below), whose sum is σ = 18190774560. Its totient is φ = 1732454688.

The previous prime is 6496705079. The next prime is 6496705141. The reversal of 6496705140 is 415076946.

It is a super-2 number, since 2×6496705140² = 84414355352204839200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6496705092 and 6496705101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6496705141) 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, 54139150 + ... + 54139269.

It is an arithmetic number, because the mean of its divisors is an integer number (757948940).

Almost surely, 2^6496705140 is an apocalyptic number.

6496705140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6496705140 is an abundant number, since it is smaller than the sum of its proper divisors (11694069420).

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

6496705140 is a wasteful number, since it uses less digits than its factorization.

6496705140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108278431 (or 108278429 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 6496705140 is about 80602.1410385605. The cubic root of 6496705140 is about 1865.9401891709.

The spelling of 6496705140 in words is "six billion, four hundred ninety-six million, seven hundred five thousand, one hundred forty".