345477040 has 20 divisors (see below), whose sum is σ = 803234304. Its totient is φ = 138190784.

The previous prime is 345477001. The next prime is 345477059. The reversal of 345477040 is 40774543.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 345476987 and 345477005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159152 + ... + 2159311.

Almost surely, 2^345477040 is an apocalyptic number.

It is an amenable number.

345477040 is an abundant number, since it is smaller than the sum of its proper divisors (457757264).

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

345477040 is a wasteful number, since it uses less digits than its factorization.

345477040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318476 (or 4318470 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 345477040 is about 18587.0126701415. The cubic root of 345477040 is about 701.6810210903.

The spelling of 345477040 in words is "three hundred forty-five million, four hundred seventy-seven thousand, forty".