6540445113344 has 44 divisors (see below), whose sum is σ = 13082828699208. Its totient is φ = 3268140134400.

The previous prime is 6540445113331. The next prime is 6540445113359. The reversal of 6540445113344 is 4433115440456.

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

It is a junction number, because it is equal to n+sod(n) for n = 6540445113295 and 6540445113304.

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, 424127 + ... + 3641534.

Almost surely, 2^{6540445113344} is an apocalyptic number.

6540445113344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6540445113344 is an abundant number, since it is smaller than the sum of its proper divisors (6542383585864).

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

6540445113344 is a wasteful number, since it uses less digits than its factorization.

6540445113344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067252 (or 4067234 counting only the distinct ones).

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

The spelling of 6540445113344 in words is "six trillion, five hundred forty billion, four hundred forty-five million, one hundred thirteen thousand, three hundred forty-four".