1252448880 has 40 divisors (see below), whose sum is σ = 3882592272. Its totient is φ = 333986304.

The previous prime is 1252448863. The next prime is 1252448881. The reversal of 1252448880 is 888442521.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252448881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609029 + ... + 2609508.

Almost surely, 2^1252448880 is an apocalyptic number.

1252448880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252448880 is an abundant number, since it is smaller than the sum of its proper divisors (2630143392).

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

1252448880 is a wasteful number, since it uses less digits than its factorization.

1252448880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218553 (or 5218547 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The square root of 1252448880 is about 35389.9545068936. The cubic root of 1252448880 is about 1077.9203464012.

The spelling of 1252448880 in words is "one billion, two hundred fifty-two million, four hundred forty-eight thousand, eight hundred eighty".