2601040056 has 32 divisors (see below), whose sum is σ = 6580949760. Its totient is φ = 856566752.

The previous prime is 2601040009. The next prime is 2601040087. The reversal of 2601040056 is 6500401062.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650880 + ... + 654863.

It is an arithmetic number, because the mean of its divisors is an integer number (205654680).

Almost surely, 2^2601040056 is an apocalyptic number.

It is an amenable number.

2601040056 is an abundant number, since it is smaller than the sum of its proper divisors (3979909704).

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

2601040056 is a wasteful number, since it uses less digits than its factorization.

2601040056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305835 (or 1305831 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2601040056 is about 51000.3927043704. The cubic root of 2601040056 is about 1375.2521950192.

It can be divided in two parts, 26010 and 40056, that added together give a palindrome (66066).

The spelling of 2601040056 in words is "two billion, six hundred one million, forty thousand, fifty-six".