3260440557 has 48 divisors (see below), whose sum is σ = 5566511808. Its totient is φ = 1816496640.

The previous prime is 3260440511. The next prime is 3260440567. The reversal of 3260440557 is 7550440623.

3260440557 is a `hidden beast` number, since 3 + 2 + 60 + 4 + 40 + 557 = 666.

It is not a de Polignac number, because 3260440557 - 2⁶ = 3260440493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3260440567) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 49843 + ... + 94895.

It is an arithmetic number, because the mean of its divisors is an integer number (115968996).

Almost surely, 2^3260440557 is an apocalyptic number.

It is an amenable number.

3260440557 is a deficient number, since it is larger than the sum of its proper divisors (2306071251).

3260440557 is a wasteful number, since it uses less digits than its factorization.

3260440557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45130 (or 45127 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 3260440557 is about 57100.2675738039. The cubic root of 3260440557 is about 1482.8324981664.

The spelling of 3260440557 in words is "three billion, two hundred sixty million, four hundred forty thousand, five hundred fifty-seven".