1264442050 has 48 divisors (see below), whose sum is σ = 2492418600. Its totient is φ = 476403200.

The previous prime is 1264442029. The next prime is 1264442051. The reversal of 1264442050 is 502444621.

It can be written as a sum of positive squares in 12 ways, for example, as 710649 + 1263731401 = 843^2 + 35549^2 .

It is not an unprimeable number, because it can be changed into a prime (1264442051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48816 + ... + 70084.

Almost surely, 2^1264442050 is an apocalyptic number.

1264442050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264442050 is a deficient number, since it is larger than the sum of its proper divisors (1227976550).

1264442050 is a wasteful number, since it uses less digits than its factorization.

1264442050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21351 (or 21346 counting only the distinct ones).

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

The square root of 1264442050 is about 35558.9939396491. The cubic root of 1264442050 is about 1081.3500634671.

Adding to 1264442050 its reverse (502444621), we get a palindrome (1766886671).

The spelling of 1264442050 in words is "one billion, two hundred sixty-four million, four hundred forty-two thousand, fifty".