3945349260 has 36 divisors (see below), whose sum is σ = 11967559968. Its totient is φ = 1052093088.

The previous prime is 3945349253. The next prime is 3945349267. The reversal of 3945349260 is 629435493.

3945349260 is a `hidden beast` number, since 3 + 9 + 45 + 349 + 260 = 666.

It is an interprime number because it is at equal distance from previous prime (3945349253) and next prime (3945349267).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (3945349267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10959124 + ... + 10959483.

Almost surely, 2^3945349260 is an apocalyptic number.

3945349260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3945349260 is an abundant number, since it is smaller than the sum of its proper divisors (8022210708).

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

3945349260 is a wasteful number, since it uses less digits than its factorization.

3945349260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21918622 (or 21918617 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 3945349260 is about 62812.0152518608. The cubic root of 3945349260 is about 1580.1384886354.

The spelling of 3945349260 in words is "three billion, nine hundred forty-five million, three hundred forty-nine thousand, two hundred sixty".