3340745442 has 72 divisors (see below), whose sum is σ = 7534725120. Its totient is φ = 1069686000.

The previous prime is 3340745389. The next prime is 3340745461. The reversal of 3340745442 is 2445470433.

3340745442 is a `hidden beast` number, since 3 + 3 + 40 + 74 + 544 + 2 = 666.

It is a super-2 number, since 2×3340745442² = 22321160216487550728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3340745397 and 3340745406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2611359 + ... + 2612637.

It is an arithmetic number, because the mean of its divisors is an integer number (104648960).

Almost surely, 2^3340745442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3340745442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3767362560).

3340745442 is an abundant number, since it is smaller than the sum of its proper divisors (4193979678).

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

3340745442 is a wasteful number, since it uses less digits than its factorization.

3340745442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1466 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 36.

The square root of 3340745442 is about 57799.1820184334. The cubic root of 3340745442 is about 1494.9079844785.

The spelling of 3340745442 in words is "three billion, three hundred forty million, seven hundred forty-five thousand, four hundred forty-two".