2556400341 has 16 divisors (see below), whose sum is σ = 3719259648. Its totient is φ = 1548975600.

The previous prime is 2556400339. The next prime is 2556400349. The reversal of 2556400341 is 1430046552.

It is not a de Polignac number, because 2556400341 - 2¹ = 2556400339 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2556400299 and 2556400308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556400349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236640 + ... + 247206.

It is an arithmetic number, because the mean of its divisors is an integer number (232453728).

Almost surely, 2^2556400341 is an apocalyptic number.

It is an amenable number.

2556400341 is a deficient number, since it is larger than the sum of its proper divisors (1162859307).

2556400341 is a wasteful number, since it uses less digits than its factorization.

2556400341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17912.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2556400341 is about 50560.8577953341. The cubic root of 2556400341 is about 1367.3392763414.

Adding to 2556400341 its reverse (1430046552), we get a palindrome (3986446893).

The spelling of 2556400341 in words is "two billion, five hundred fifty-six million, four hundred thousand, three hundred forty-one".