4551345450 has 120 divisors (see below), whose sum is σ = 12694779372. Its totient is φ = 1209012480.

The previous prime is 4551345431. The next prime is 4551345497. The reversal of 4551345450 is 545431554.

4551345450 is a `hidden beast` number, since 4 + 551 + 3 + 4 + 54 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 938013129 + 3613332321 = 30627^2 + 60111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1119822 + ... + 1123878.

Almost surely, 2^4551345450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4551345450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6347389686).

4551345450 is an abundant number, since it is smaller than the sum of its proper divisors (8143433922).

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

4551345450 is a wasteful number, since it uses less digits than its factorization.

4551345450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358 (or 4344 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 4551345450 is about 67463.6602179277. The cubic root of 4551345450 is about 1657.2191125341.

The spelling of 4551345450 in words is "four billion, five hundred fifty-one million, three hundred forty-five thousand, four hundred fifty".