2601406015 has 12 divisors (see below), whose sum is σ = 3380289624. Its totient is φ = 1921037664.

The previous prime is 2601405997. The next prime is 2601406019. The reversal of 2601406015 is 5106041062.

It is a de Polignac number, because none of the positive numbers 2^k-2601406015 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 (2601406019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1538449 + ... + 1540138.

It is an arithmetic number, because the mean of its divisors is an integer number (281690802).

Almost surely, 2^2601406015 is an apocalyptic number.

2601406015 is a deficient number, since it is larger than the sum of its proper divisors (778883609).

2601406015 is a wasteful number, since it uses less digits than its factorization.

2601406015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078618 (or 3078605 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2601406015 is about 51003.9803838877. The cubic root of 2601406015 is about 1375.3166900296.

Adding to 2601406015 its reverse (5106041062), we get a palindrome (7707447077).

The spelling of 2601406015 in words is "two billion, six hundred one million, four hundred six thousand, fifteen".