2600400441 has 24 divisors (see below), whose sum is σ = 3650590944. Its totient is φ = 1645499520.

The previous prime is 2600400437. The next prime is 2600400479. The reversal of 2600400441 is 1440040062.

It is not a de Polignac number, because 2600400441 - 2² = 2600400437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2600400421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160666 + ... + 176108.

It is an arithmetic number, because the mean of its divisors is an integer number (152107956).

Almost surely, 2^2600400441 is an apocalyptic number.

It is an amenable number.

2600400441 is a deficient number, since it is larger than the sum of its proper divisors (1050190503).

2600400441 is a wasteful number, since it uses less digits than its factorization.

2600400441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15561 (or 15524 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2600400441 is about 50994.1216318116. The cubic root of 2600400441 is about 1375.1394575467.

The spelling of 2600400441 in words is "two billion, six hundred million, four hundred thousand, four hundred forty-one".