545033501640 has 192 divisors, whose sum is σ = 1845321004800. Its totient is φ = 139393766400.

The previous prime is 545033501557. The next prime is 545033501669. The reversal of 545033501640 is 46105330545.

545033501640 is a `hidden beast` number, since 5 + 4 + 5 + 0 + 3 + 3 + 5 + 0 + 1 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 545033501595 and 545033501604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 557905 + ... + 1183775.

It is an arithmetic number, because the mean of its divisors is an integer number (9611046900).

Almost surely, 2^545033501640 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 545033501640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922660502400).

545033501640 is an abundant number, since it is smaller than the sum of its proper divisors (1300287503160).

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

545033501640 is a wasteful number, since it uses less digits than its factorization.

545033501640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625988 (or 625981 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 545033501640 in words is "five hundred forty-five billion, thirty-three million, five hundred one thousand, six hundred forty".