345278040460 has 48 divisors (see below), whose sum is σ = 735547583232. Its totient is φ = 136130400000.

The previous prime is 345278040433. The next prime is 345278040467. The reversal of 345278040460 is 64040872543.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (345278040467) 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, 67210 + ... + 833710.

It is an arithmetic number, because the mean of its divisors is an integer number (15323907984).

Almost surely, 2^345278040460 is an apocalyptic number.

It is an amenable number.

345278040460 is an abundant number, since it is smaller than the sum of its proper divisors (390269542772).

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

345278040460 is a wasteful number, since it uses less digits than its factorization.

345278040460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766834 (or 766832 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 345278040460 in words is "three hundred forty-five billion, two hundred seventy-eight million, forty thousand, four hundred sixty".