345140452404 has 72 divisors (see below), whose sum is σ = 951868296288. Its totient is φ = 104575120320.

The previous prime is 345140452403. The next prime is 345140452429. The reversal of 345140452404 is 404254041543.

345140452404 is a `hidden beast` number, since 3 + 4 + 5 + 1 + 404 + 5 + 240 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345140452403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3450139 + ... + 3548765.

It is an arithmetic number, because the mean of its divisors is an integer number (13220393004).

Almost surely, 2^345140452404 is an apocalyptic number.

It is an amenable number.

345140452404 is an abundant number, since it is smaller than the sum of its proper divisors (606727843884).

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

345140452404 is a wasteful number, since it uses less digits than its factorization.

345140452404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107485 (or 107480 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 345140452404 its reverse (404254041543), we get a palindrome (749394493947).

The spelling of 345140452404 in words is "three hundred forty-five billion, one hundred forty million, four hundred fifty-two thousand, four hundred four".