1340507952 has 120 divisors (see below), whose sum is σ = 4425907200. Its totient is φ = 370638720.

The previous prime is 1340507947. The next prime is 1340508019. The reversal of 1340507952 is 2597050431.

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 23 ways as a sum of consecutive naturals, for example, 9799 + ... + 52697.

It is an arithmetic number, because the mean of its divisors is an integer number (36882560).

Almost surely, 2^1340507952 is an apocalyptic number.

1340507952 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 1340507952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2212953600).

1340507952 is an abundant number, since it is smaller than the sum of its proper divisors (3085399248).

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

1340507952 is a wasteful number, since it uses less digits than its factorization.

1340507952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42951 (or 42942 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 1340507952 is about 36612.9478736690. The cubic root of 1340507952 is about 1102.6130582687.

The spelling of 1340507952 in words is "one billion, three hundred forty million, five hundred seven thousand, nine hundred fifty-two".