6345400567540 has 48 divisors (see below), whose sum is σ = 13349895596352. Its totient is φ = 2533484169216.

The previous prime is 6345400567529. The next prime is 6345400567553. The reversal of 6345400567540 is 457650045436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129719767 + ... + 129768673.

It is an arithmetic number, because the mean of its divisors is an integer number (278122824924).

Almost surely, 2^{6345400567540} is an apocalyptic number.

It is an amenable number.

6345400567540 is an abundant number, since it is smaller than the sum of its proper divisors (7004495028812).

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

6345400567540 is a wasteful number, since it uses less digits than its factorization.

6345400567540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60736 (or 60734 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 6345400567540 in words is "six trillion, three hundred forty-five billion, four hundred million, five hundred sixty-seven thousand, five hundred forty".