345550404 has 12 divisors (see below), whose sum is σ = 806284304. Its totient is φ = 115183464.

The previous prime is 345550349. The next prime is 345550409. The reversal of 345550404 is 404055543.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (345550409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14397922 + ... + 14397945.

Almost surely, 2^345550404 is an apocalyptic number.

It is an amenable number.

345550404 is an abundant number, since it is smaller than the sum of its proper divisors (460733900).

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

345550404 is a wasteful number, since it uses less digits than its factorization.

345550404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28795874 (or 28795872 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 345550404 is about 18588.9860939213. The cubic root of 345550404 is about 701.7306862171.

The spelling of 345550404 in words is "three hundred forty-five million, five hundred fifty thousand, four hundred four".