1733021420928 has 256 divisors, whose sum is σ = 5366138595840. Its totient is φ = 485270323200.

The previous prime is 1733021420861. The next prime is 1733021420941. The reversal of 1733021420928 is 8290241203371.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1733021420928.

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, 139181103 + ... + 139193553.

It is an arithmetic number, because the mean of its divisors is an integer number (20961478890).

Almost surely, 2^{1733021420928} 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 1733021420928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683069297920).

1733021420928 is an abundant number, since it is smaller than the sum of its proper divisors (3633117174912).

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

1733021420928 is a wasteful number, since it uses less digits than its factorization.

1733021420928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13505 (or 13493 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 1733021420928 in words is "one trillion, seven hundred thirty-three billion, twenty-one million, four hundred twenty thousand, nine hundred twenty-eight".