3105405450 has 144 divisors (see below), whose sum is σ = 9572184960. Its totient is φ = 707045760.

The previous prime is 3105405367. The next prime is 3105405497. The reversal of 3105405450 is 545045013.

It is a super-3 number, since 3×3105405450³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 870771 + ... + 874329.

Almost surely, 2^3105405450 is an apocalyptic number.

3105405450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3105405450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4786092480).

3105405450 is an abundant number, since it is smaller than the sum of its proper divisors (6466779510).

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

3105405450 is a wasteful number, since it uses less digits than its factorization.

3105405450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861 (or 3853 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 3105405450 is about 55726.1648599650. The cubic root of 3105405450 is about 1458.9467367480.

The spelling of 3105405450 in words is "three billion, one hundred five million, four hundred five thousand, four hundred fifty".