1340446752 has 96 divisors (see below), whose sum is σ = 3916503360. Its totient is φ = 446031360.

The previous prime is 1340446733. The next prime is 1340446769. The reversal of 1340446752 is 2576440431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699748 + ... + 701660.

It is an arithmetic number, because the mean of its divisors is an integer number (40796910).

Almost surely, 2^1340446752 is an apocalyptic number.

1340446752 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 1340446752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1958251680).

1340446752 is an abundant number, since it is smaller than the sum of its proper divisors (2576056608).

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

1340446752 is a wasteful number, since it uses less digits than its factorization.

1340446752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 1340446752 is about 36612.1120942237. The cubic root of 1340446752 is about 1102.5962783244.

The spelling of 1340446752 in words is "one billion, three hundred forty million, four hundred forty-six thousand, seven hundred fifty-two".