4551534343440 has 960 divisors, whose sum is σ = 18902246178816. Its totient is φ = 957804576768.

The previous prime is 4551534343409. The next prime is 4551534343441. The reversal of 4551534343440 is 443434351554.

4551534343440 is a `hidden beast` number, since 4 + 5 + 51 + 534 + 34 + 34 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4551534343441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1739217012 + ... + 1739219628.

Almost surely, 2^{4551534343440} is an apocalyptic number.

4551534343440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4551534343440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9451123089408).

4551534343440 is an abundant number, since it is smaller than the sum of its proper divisors (14350711835376).

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

4551534343440 is a wasteful number, since it uses less digits than its factorization.

4551534343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

Adding to 4551534343440 its reverse (443434351554), we get a palindrome (4994968694994).

The spelling of 4551534343440 in words is "four trillion, five hundred fifty-one billion, five hundred thirty-four million, three hundred forty-three thousand, four hundred forty".