345625360626440 has 32 divisors (see below), whose sum is σ = 778056064695000. Its totient is φ = 138179210333184.

The previous prime is 345625360626367. The next prime is 345625360626463. The reversal of 345625360626440 is 44626063526543.

It can be written as a sum of positive squares in 4 ways, for example, as 345625355364004 + 5262436 = 18591002^2 + 2294^2 .

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, 2216605985 + ... + 2216761904.

Almost surely, 2^{345625360626440} is an apocalyptic number.

It is an amenable number.

345625360626440 is an abundant number, since it is smaller than the sum of its proper divisors (432430704068560).

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

345625360626440 is a wasteful number, since it uses less digits than its factorization.

345625360626440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433369849 (or 4433369845 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 56.

The spelling of 345625360626440 in words is "three hundred forty-five trillion, six hundred twenty-five billion, three hundred sixty million, six hundred twenty-six thousand, four hundred forty".