6546464540 has 48 divisors (see below), whose sum is σ = 17139838464. Its totient is φ = 2040456000.

The previous prime is 6546464527. The next prime is 6546464549. The reversal of 6546464540 is 454646456.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 6546464491 and 6546464500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6546464549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123936 + ... + 2127015.

It is an arithmetic number, because the mean of its divisors is an integer number (357079968).

Almost surely, 2^6546464540 is an apocalyptic number.

It is an amenable number.

6546464540 is an abundant number, since it is smaller than the sum of its proper divisors (10593373924).

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

6546464540 is a wasteful number, since it uses less digits than its factorization.

6546464540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250978 (or 4250976 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The square root of 6546464540 is about 80910.2251881677. The cubic root of 6546464540 is about 1870.6919322607.

The spelling of 6546464540 in words is "six billion, five hundred forty-six million, four hundred sixty-four thousand, five hundred forty".