1253454448 has 40 divisors (see below), whose sum is σ = 2494126080. Its totient is φ = 610034880.

The previous prime is 1253454407. The next prime is 1253454493. The reversal of 1253454448 is 8444543521.

It is a happy number.

It is a super-2 number, since 2×1253454448² = 3142296106421969408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1253454448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82761 + ... + 96727.

It is an arithmetic number, because the mean of its divisors is an integer number (62353152).

Almost surely, 2^1253454448 is an apocalyptic number.

It is an amenable number.

1253454448 is a deficient number, since it is larger than the sum of its proper divisors (1240671632).

1253454448 is a wasteful number, since it uses less digits than its factorization.

1253454448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14125 (or 14119 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

The square root of 1253454448 is about 35404.1586257886. The cubic root of 1253454448 is about 1078.2087499883.

Adding to 1253454448 its reverse (8444543521), we get a palindrome (9697997969).

The spelling of 1253454448 in words is "one billion, two hundred fifty-three million, four hundred fifty-four thousand, four hundred forty-eight".