1650740032 has 56 divisors (see below), whose sum is σ = 3410922312. Its totient is φ = 791961600.

The previous prime is 1650740023. The next prime is 1650740033. The reversal of 1650740032 is 2300470561.

It can be written as a sum of positive squares in 4 ways, for example, as 90174016 + 1560566016 = 9496^2 + 39504^2 .

It is a super-2 number, since 2×1650740032² = 5449885306494722048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650740033) by changing a digit.

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, 154908 + ... + 165220.

It is an arithmetic number, because the mean of its divisors is an integer number (60909327).

Almost surely, 2^1650740032 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 1650740032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1705461156).

1650740032 is an abundant number, since it is smaller than the sum of its proper divisors (1760182280).

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

1650740032 is a wasteful number, since it uses less digits than its factorization.

1650740032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427 (or 10417 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1650740032 is about 40629.3001662593. The cubic root of 1650740032 is about 1181.8423847638.

The spelling of 1650740032 in words is "one billion, six hundred fifty million, seven hundred forty thousand, thirty-two".