3443756940 has 216 divisors, whose sum is σ = 11462592960. Its totient is φ = 836379648.

The previous prime is 3443756893. The next prime is 3443756941. The reversal of 3443756940 is 496573443.

3443756940 is a `hidden beast` number, since 3 + 4 + 43 + 7 + 569 + 40 = 666.

3443756940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443756941) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2402464 + ... + 2403896.

It is an arithmetic number, because the mean of its divisors is an integer number (53067560).

Almost surely, 2^3443756940 is an apocalyptic number.

3443756940 is a gapful number since it is divisible by the number (30) 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 3443756940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5731296480).

3443756940 is an abundant number, since it is smaller than the sum of its proper divisors (8018836020).

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

3443756940 is a wasteful number, since it uses less digits than its factorization.

3443756940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The square root of 3443756940 is about 58683.5321022857. The cubic root of 3443756940 is about 1510.1178131255.

The spelling of 3443756940 in words is "three billion, four hundred forty-three million, seven hundred fifty-six thousand, nine hundred forty".