345401645808 has 20 divisors (see below), whose sum is σ = 892287585128. Its totient is φ = 115133881920.

The previous prime is 345401645783. The next prime is 345401645821. The reversal of 345401645808 is 808546104543.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 7195867621 = 345401645808 / (3 + 4 + 5 + 4 + 0 + 1 + 6 + 4 + 5 + 8 + 0 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3597933763 + ... + 3597933858.

Almost surely, 2^345401645808 is an apocalyptic number.

It is an amenable number.

345401645808 is an abundant number, since it is smaller than the sum of its proper divisors (546885939320).

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

345401645808 is a wasteful number, since it uses less digits than its factorization.

345401645808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195867632 (or 7195867626 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 345401645808 in words is "three hundred forty-five billion, four hundred one million, six hundred forty-five thousand, eight hundred eight".