345278040458 has 16 divisors (see below), whose sum is σ = 558177204480. Its totient is φ = 159238989936.

The previous prime is 345278040433. The next prime is 345278040467. The reversal of 345278040458 is 854040872543.

It is a Curzon 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, 4969238 + ... + 5038241.

It is an arithmetic number, because the mean of its divisors is an integer number (34886075280).

Almost surely, 2^345278040458 is an apocalyptic number.

345278040458 is a deficient number, since it is larger than the sum of its proper divisors (212899164022).

345278040458 is a wasteful number, since it uses less digits than its factorization.

345278040458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008821.

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 345278040458 in words is "three hundred forty-five billion, two hundred seventy-eight million, forty thousand, four hundred fifty-eight".