4545491074800 has 240 divisors, whose sum is σ = 15706226508000. Its totient is φ = 1117074309120.

The previous prime is 4545491074799. The next prime is 4545491074837. The reversal of 4545491074800 is 84701945454.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×4545491074800² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 9389076 + ... + 9861324.

It is an arithmetic number, because the mean of its divisors is an integer number (65442610450).

Almost surely, 2^{4545491074800} is an apocalyptic number.

4545491074800 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 4545491074800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7853113254000).

4545491074800 is an abundant number, since it is smaller than the sum of its proper divisors (11160735433200).

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

4545491074800 is a wasteful number, since it uses less digits than its factorization.

4545491074800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472900 (or 472889 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 4545491074800 in words is "four trillion, five hundred forty-five billion, four hundred ninety-one million, seventy-four thousand, eight hundred".