1650266442 has 48 divisors (see below), whose sum is σ = 3924636768. Its totient is φ = 497003040.

The previous prime is 1650266377. The next prime is 1650266447. The reversal of 1650266442 is 2446620561.

1650266442 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 2 + 6 + 644 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1650266397 and 1650266406.

It is not an unprimeable number, because it can be changed into a prime (1650266447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6708 + ... + 57840.

It is an arithmetic number, because the mean of its divisors is an integer number (81763266).

Almost surely, 2^1650266442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650266442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962318384).

1650266442 is an abundant number, since it is smaller than the sum of its proper divisors (2274370326).

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

1650266442 is a wasteful number, since it uses less digits than its factorization.

1650266442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51315 (or 51312 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 1650266442 is about 40623.4715650940. The cubic root of 1650266442 is about 1181.7293521726.

It can be divided in two parts, 16502 and 66442, that added together give a square (82944 = 288²).

The spelling of 1650266442 in words is "one billion, six hundred fifty million, two hundred sixty-six thousand, four hundred forty-two".