450720216682440 has 32 divisors (see below), whose sum is σ = 1352160650047680. Its totient is φ = 120192057781952.

The previous prime is 450720216682433. The next prime is 450720216682453. The reversal of 450720216682440 is 44286612027054.

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, 1878000902724 + ... + 1878000902963.

It is an arithmetic number, because the mean of its divisors is an integer number (42255020313990).

Almost surely, 2^{450720216682440} is an apocalyptic number.

450720216682440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450720216682440 is an abundant number, since it is smaller than the sum of its proper divisors (901440433365240).

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

450720216682440 is a wasteful number, since it uses less digits than its factorization.

450720216682440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756001805701 (or 3756001805697 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 450720216682440 in words is "four hundred fifty trillion, seven hundred twenty billion, two hundred sixteen million, six hundred eighty-two thousand, four hundred forty".