1650454480 has 20 divisors (see below), whose sum is σ = 3837306852. Its totient is φ = 660181760.

The previous prime is 1650454471. The next prime is 1650454511. The reversal of 1650454480 is 844540561.

It can be written as a sum of positive squares in 2 ways, for example, as 1290821184 + 359633296 = 35928^2 + 18964^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10315261 + ... + 10315420.

Almost surely, 2^1650454480 is an apocalyptic number.

1650454480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1650454480 is an abundant number, since it is smaller than the sum of its proper divisors (2186852372).

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

1650454480 is a wasteful number, since it uses less digits than its factorization.

1650454480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20630694 (or 20630688 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 1650454480 is about 40625.7859000906. The cubic root of 1650454480 is about 1181.7742341341.

The spelling of 1650454480 in words is "one billion, six hundred fifty million, four hundred fifty-four thousand, four hundred eighty".