1258886944 has 48 divisors (see below), whose sum is σ = 2854184256. Its totient is φ = 535392000.

The previous prime is 1258886911. The next prime is 1258886957. The reversal of 1258886944 is 4496888521.

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 7 ways as a sum of consecutive naturals, for example, 7894 + ... + 50794.

It is an arithmetic number, because the mean of its divisors is an integer number (59462172).

Almost surely, 2^1258886944 is an apocalyptic number.

1258886944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1258886944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427092128).

1258886944 is an abundant number, since it is smaller than the sum of its proper divisors (1595297312).

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

1258886944 is a wasteful number, since it uses less digits than its factorization.

1258886944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43049 (or 43041 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 55.

The square root of 1258886944 is about 35480.7968343441. The cubic root of 1258886944 is about 1079.7641643259.

The spelling of 1258886944 in words is "one billion, two hundred fifty-eight million, eight hundred eighty-six thousand, nine hundred forty-four".