1349944752 has 80 divisors (see below), whose sum is σ = 3843031808. Its totient is φ = 405699840.

The previous prime is 1349944747. The next prime is 1349944769. The reversal of 1349944752 is 2574499431.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677 + ... + 51987.

Almost surely, 2^1349944752 is an apocalyptic number.

1349944752 is a gapful number since it is divisible by the number (12) 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 1349944752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1921515904).

1349944752 is an abundant number, since it is smaller than the sum of its proper divisors (2493087056).

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

1349944752 is a wasteful number, since it uses less digits than its factorization.

1349944752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50378 (or 50372 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 1349944752 is about 36741.5943040037. The cubic root of 1349944752 is about 1105.1943726922.

The spelling of 1349944752 in words is "one billion, three hundred forty-nine million, nine hundred forty-four thousand, seven hundred fifty-two".