1244204650 has 48 divisors (see below), whose sum is σ = 2496324600. Its totient is φ = 458645760.

The previous prime is 1244204579. The next prime is 1244204669. The reversal of 1244204650 is 564024421.

It can be written as a sum of positive squares in 12 ways, for example, as 92756161 + 1151448489 = 9631^2 + 33933^2 .

It is a super-2 number, since 2×1244204650² = 3096090422163245000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 537696 + ... + 540004.

Almost surely, 2^1244204650 is an apocalyptic number.

1244204650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244204650 is an abundant number, since it is smaller than the sum of its proper divisors (1252119950).

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

1244204650 is a wasteful number, since it uses less digits than its factorization.

1244204650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163 (or 3158 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1244204650 is about 35273.2852170024. The cubic root of 1244204650 is about 1075.5500051928.

The spelling of 1244204650 in words is "one billion, two hundred forty-four million, two hundred four thousand, six hundred fifty".