256510040743416 has 32 divisors (see below), whose sum is σ = 661961395468800. Its totient is φ = 82745174433120.

The previous prime is 256510040743387. The next prime is 256510040743427. The reversal of 256510040743416 is 614347040015652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172385779326 + ... + 172385780813.

It is an arithmetic number, because the mean of its divisors is an integer number (20686293608400).

Almost surely, 2^{256510040743416} is an apocalyptic number.

It is an amenable number.

256510040743416 is an abundant number, since it is smaller than the sum of its proper divisors (405451354725384).

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

256510040743416 is a wasteful number, since it uses less digits than its factorization.

256510040743416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344771560179 (or 344771560175 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 256510040743416 in words is "two hundred fifty-six trillion, five hundred ten billion, forty million, seven hundred forty-three thousand, four hundred sixteen".