1650426500 has 24 divisors (see below), whose sum is σ = 3604532568. Its totient is φ = 660170400.

The previous prime is 1650426467. The next prime is 1650426517. The reversal of 1650426500 is 56240561.

It can be written as a sum of positive squares in 4 ways, for example, as 154902916 + 1495523584 = 12446^2 + 38672^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1649927 + ... + 1650926.

It is an arithmetic number, because the mean of its divisors is an integer number (150188857).

Almost surely, 2^1650426500 is an apocalyptic number.

1650426500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1650426500 is an abundant number, since it is smaller than the sum of its proper divisors (1954106068).

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

1650426500 is a wasteful number, since it uses less digits than its factorization.

1650426500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300872 (or 3300860 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1650426500 is about 40625.4415360621. The cubic root of 1650426500 is about 1181.7675559271.

The spelling of 1650426500 in words is "one billion, six hundred fifty million, four hundred twenty-six thousand, five hundred".