4551445340 has 96 divisors (see below), whose sum is σ = 10502037504. Its totient is φ = 1646726400.

The previous prime is 4551445291. The next prime is 4551445403. The reversal of 4551445340 is 435441554.

It is a self number, because there is not a number n which added to its sum of digits gives 4551445340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3953765 + ... + 3954915.

It is an arithmetic number, because the mean of its divisors is an integer number (109396224).

Almost surely, 2^4551445340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4551445340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5251018752).

4551445340 is an abundant number, since it is smaller than the sum of its proper divisors (5950592164).

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

4551445340 is a wasteful number, since it uses less digits than its factorization.

4551445340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 4551445340 is about 67464.4005383580. The cubic root of 4551445340 is about 1657.2312363048.

Adding to 4551445340 its reverse (435441554), we get a palindrome (4986886894).

The spelling of 4551445340 in words is "four billion, five hundred fifty-one million, four hundred forty-five thousand, three hundred forty".