4451780039045 has 24 divisors (see below), whose sum is σ = 5459970595968. Its totient is φ = 3484529127200.

The previous prime is 4451780039011. The next prime is 4451780039059. The reversal of 4451780039045 is 5409300871544.

It is a happy number.

It is not a de Polignac number, because 4451780039045 - 2⁸ = 4451780038789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4451780038984 and 4451780039002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35181440 + ... + 35307750.

It is an arithmetic number, because the mean of its divisors is an integer number (227498774832).

Almost surely, 2^{4451780039045} is an apocalyptic number.

It is an amenable number.

4451780039045 is a deficient number, since it is larger than the sum of its proper divisors (1008190556923).

4451780039045 is a wasteful number, since it uses less digits than its factorization.

4451780039045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129601 (or 129554 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 4451780039045 in words is "four trillion, four hundred fifty-one billion, seven hundred eighty million, thirty-nine thousand, forty-five".