4551445242400 has 432 divisors, whose sum is σ = 13620453860160. Its totient is φ = 1476747417600.

The previous prime is 4551445242391. The next prime is 4551445242431. The reversal of 4551445242400 is 42425441554.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 814063605 + ... + 814069195.

It is an arithmetic number, because the mean of its divisors is an integer number (31528828380).

Almost surely, 2^{4551445242400} is an apocalyptic number.

4551445242400 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 4551445242400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6810226930080).

4551445242400 is an abundant number, since it is smaller than the sum of its proper divisors (9069008617760).

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

4551445242400 is a wasteful number, since it uses less digits than its factorization.

4551445242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737 (or 6717 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

The spelling of 4551445242400 in words is "four trillion, five hundred fifty-one billion, four hundred forty-five million, two hundred forty-two thousand, four hundred".