3405123044450 has 24 divisors (see below), whose sum is σ = 6371454200832. Its totient is φ = 1353893231120.

The previous prime is 3405123044423. The next prime is 3405123044497. The reversal of 3405123044450 is 544403215043.

It is a self number, because there is not a number n which added to its sum of digits gives 3405123044450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203891234 + ... + 203907933.

It is an arithmetic number, because the mean of its divisors is an integer number (265477258368).

Almost surely, 2^{3405123044450} is an apocalyptic number.

3405123044450 is a deficient number, since it is larger than the sum of its proper divisors (2966331156382).

3405123044450 is a wasteful number, since it uses less digits than its factorization.

3405123044450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407799346 (or 407799341 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 3405123044450 its reverse (544403215043), we get a palindrome (3949526259493).

The spelling of 3405123044450 in words is "three trillion, four hundred five billion, one hundred twenty-three million, forty-four thousand, four hundred fifty".