1650232650 has 96 divisors (see below), whose sum is σ = 4699699200. Its totient is φ = 378993600.

The previous prime is 1650232627. The next prime is 1650232667. The reversal of 1650232650 is 562320561.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5031 + ... + 57669.

It is an arithmetic number, because the mean of its divisors is an integer number (48955200).

Almost surely, 2^1650232650 is an apocalyptic number.

1650232650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650232650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2349849600).

1650232650 is an abundant number, since it is smaller than the sum of its proper divisors (3049466550).

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

1650232650 is a wasteful number, since it uses less digits than its factorization.

1650232650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52684 (or 52679 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1650232650 is about 40623.0556457783. The cubic root of 1650232650 is about 1181.7212861477.

The spelling of 1650232650 in words is "one billion, six hundred fifty million, two hundred thirty-two thousand, six hundred fifty".