1650454090000 has 225 divisors, whose sum is σ = 4147818908233. Its totient is φ = 635977888000.

The previous prime is 1650454089997. The next prime is 1650454090007. The reversal of 1650454090000 is 904540561.

The square root of 1650454090000 is 1284700.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 1234418769936 + 416035320064 = 1111044^2 + 645008^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1650454090007) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3725629779 + ... + 3725630221.

Almost surely, 2^{1650454090000} is an apocalyptic number.

1650454090000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1650454090000 is the 1284700-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650454090000

1650454090000 is an abundant number, since it is smaller than the sum of its proper divisors (2497364818233).

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

1650454090000 is an frugal number, since it uses more digits than its factorization.

1650454090000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 1650454090000 in words is "one trillion, six hundred fifty billion, four hundred fifty-four million, ninety thousand".