1340944852 has 48 divisors (see below), whose sum is σ = 2649189312. Its totient is φ = 589720320.

The previous prime is 1340944849. The next prime is 1340944859. The reversal of 1340944852 is 2584490431.

It is a super-2 number, since 2×1340944852² = 3596266192210603808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340944859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84363 + ... + 98989.

It is an arithmetic number, because the mean of its divisors is an integer number (55191444).

Almost surely, 2^1340944852 is an apocalyptic number.

It is an amenable number.

1340944852 is a deficient number, since it is larger than the sum of its proper divisors (1308244460).

1340944852 is a wasteful number, since it uses less digits than its factorization.

1340944852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14728 (or 14726 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1340944852 is about 36618.9138560935. The cubic root of 1340944852 is about 1102.7328335917.

The spelling of 1340944852 in words is "one billion, three hundred forty million, nine hundred forty-four thousand, eight hundred fifty-two".