3957340518 has 12 divisors (see below), whose sum is σ = 8574237828. Its totient is φ = 1319113500.

The previous prime is 3957340511. The next prime is 3957340523. The reversal of 3957340518 is 8150437593.

3957340518 is a `hidden beast` number, since 3 + 95 + 7 + 3 + 40 + 518 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957340511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109926108 + ... + 109926143.

It is an arithmetic number, because the mean of its divisors is an integer number (714519819).

Almost surely, 2^3957340518 is an apocalyptic number.

3957340518 is an abundant number, since it is smaller than the sum of its proper divisors (4616897310).

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

3957340518 is a wasteful number, since it uses less digits than its factorization.

3957340518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219852259 (or 219852256 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 3957340518 is about 62907.3963695844. The cubic root of 3957340518 is about 1581.7377289118.

The spelling of 3957340518 in words is "three billion, nine hundred fifty-seven million, three hundred forty thousand, five hundred eighteen".