1021305450344 has 32 divisors (see below), whose sum is σ = 1920219739200. Its totient is φ = 509247164160.

The previous prime is 1021305450323. The next prime is 1021305450401. The reversal of 1021305450344 is 4430545031201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021305450344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40789109 + ... + 40814139.

It is an arithmetic number, because the mean of its divisors is an integer number (60006866850).

Almost surely, 2^{1021305450344} is an apocalyptic number.

It is an amenable number.

1021305450344 is a deficient number, since it is larger than the sum of its proper divisors (898914288856).

1021305450344 is a wasteful number, since it uses less digits than its factorization.

1021305450344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38873 (or 38869 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 1021305450344 in words is "one trillion, twenty-one billion, three hundred five million, four hundred fifty thousand, three hundred forty-four".