2604005157 has 16 divisors (see below), whose sum is σ = 3935879360. Its totient is φ = 1518124032.

The previous prime is 2604005143. The next prime is 2604005197. The reversal of 2604005157 is 7515004062.

It is not a de Polignac number, because 2604005157 - 2¹⁵ = 2603972389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604005197) 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 15 ways as a sum of consecutive naturals, for example, 1756348 + ... + 1757829.

It is an arithmetic number, because the mean of its divisors is an integer number (245992460).

Almost surely, 2^2604005157 is an apocalyptic number.

It is an amenable number.

2604005157 is a deficient number, since it is larger than the sum of its proper divisors (1331874203).

2604005157 is a wasteful number, since it uses less digits than its factorization.

2604005157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514212.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2604005157 is about 51029.4538183587. The cubic root of 2604005157 is about 1375.7745774824.

The spelling of 2604005157 in words is "two billion, six hundred four million, five thousand, one hundred fifty-seven".