1253442336 has 24 divisors (see below), whose sum is σ = 3290286384. Its totient is φ = 417814080.

The previous prime is 1253442277. The next prime is 1253442367. The reversal of 1253442336 is 6332443521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1253442336² = 3142235379354273792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1253442297 and 1253442306.

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 3 ways as a sum of consecutive naturals, for example, 6528250 + ... + 6528441.

It is an arithmetic number, because the mean of its divisors is an integer number (137095266).

Almost surely, 2^1253442336 is an apocalyptic number.

1253442336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1253442336 is an abundant number, since it is smaller than the sum of its proper divisors (2036844048).

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

1253442336 is a wasteful number, since it uses less digits than its factorization.

1253442336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13056704 (or 13056696 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 1253442336 is about 35403.9875720236. The cubic root of 1253442336 is about 1078.2052771041.

Adding to 1253442336 its reverse (6332443521), we get a palindrome (7585885857).

The spelling of 1253442336 in words is "one billion, two hundred fifty-three million, four hundred forty-two thousand, three hundred thirty-six".