2559401140 has 12 divisors (see below), whose sum is σ = 5374742436. Its totient is φ = 1023760448.

The previous prime is 2559401129. The next prime is 2559401149. The reversal of 2559401140 is 411049552.

It can be written as a sum of positive squares in 2 ways, for example, as 842624784 + 1716776356 = 29028^2 + 41434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559401149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63985009 + ... + 63985048.

It is an arithmetic number, because the mean of its divisors is an integer number (447895203).

Almost surely, 2^2559401140 is an apocalyptic number.

2559401140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2559401140 is an abundant number, since it is smaller than the sum of its proper divisors (2815341296).

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

2559401140 is a wasteful number, since it uses less digits than its factorization.

2559401140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127970066 (or 127970064 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2559401140 is about 50590.5242115557. The cubic root of 2559401140 is about 1367.8740785855.

The spelling of 2559401140 in words is "two billion, five hundred fifty-nine million, four hundred one thousand, one hundred forty".