1250650240 has 128 divisors (see below), whose sum is σ = 3450211200. Its totient is φ = 424624128.

The previous prime is 1250650217. The next prime is 1250650253. The reversal of 1250650240 is 420560521.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 478056 + ... + 480664.

It is an arithmetic number, because the mean of its divisors is an integer number (26954775).

Almost surely, 2^1250650240 is an apocalyptic number.

1250650240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1250650240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1725105600).

1250650240 is an abundant number, since it is smaller than the sum of its proper divisors (2199560960).

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

1250650240 is a wasteful number, since it uses less digits than its factorization.

1250650240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1250650240 is about 35364.5336460132. The cubic root of 1250650240 is about 1077.4040992520.

The spelling of 1250650240 in words is "one billion, two hundred fifty million, six hundred fifty thousand, two hundred forty".