4056140657 has 8 divisors (see below), whose sum is σ = 4204961280. Its totient is φ = 3908443680.

The previous prime is 4056140629. The next prime is 4056140659. The reversal of 4056140657 is 7560416504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4056140657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4056140657.

It is not an unprimeable number, because it can be changed into a prime (4056140659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273557 + ... + 288002.

It is an arithmetic number, because the mean of its divisors is an integer number (525620160).

Almost surely, 2^4056140657 is an apocalyptic number.

It is an amenable number.

4056140657 is a deficient number, since it is larger than the sum of its proper divisors (148820623).

4056140657 is a wasteful number, since it uses less digits than its factorization.

4056140657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561823.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 4056140657 is about 63687.8375908619. The cubic root of 4056140657 is about 1594.7930545867.

It can be divided in two parts, 40561 and 40657, that added together give a palindrome (81218).

The spelling of 4056140657 in words is "four billion, fifty-six million, one hundred forty thousand, six hundred fifty-seven".