1650401344 has 56 divisors (see below), whose sum is σ = 3533214168. Its totient is φ = 761978880.

The previous prime is 1650401329. The next prime is 1650401371. The reversal of 1650401344 is 4431040561.

It can be written as a sum of positive squares in 4 ways, for example, as 151782400 + 1498618944 = 12320^2 + 38712^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43354 + ... + 71974.

Almost surely, 2^1650401344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650401344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766607084).

1650401344 is an abundant number, since it is smaller than the sum of its proper divisors (1882812824).

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

1650401344 is a wasteful number, since it uses less digits than its factorization.

1650401344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28703 (or 28693 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1650401344 is about 40625.1319259396. The cubic root of 1650401344 is about 1181.7615516820.

The spelling of 1650401344 in words is "one billion, six hundred fifty million, four hundred one thousand, three hundred forty-four".