2559991439430 has 48 divisors (see below), whose sum is σ = 6661420365600. Its totient is φ = 682106166144.

The previous prime is 2559991439429. The next prime is 2559991439581. The reversal of 2559991439430 is 349341999552.

2559991439430 is a `hidden beast` number, since 2 + 5 + 59 + 9 + 9 + 143 + 9 + 430 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11518855 + ... + 11738994.

It is an arithmetic number, because the mean of its divisors is an integer number (138779590950).

Almost surely, 2^{2559991439430} is an apocalyptic number.

2559991439430 is an abundant number, since it is smaller than the sum of its proper divisors (4101428926170).

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

2559991439430 is a wasteful number, since it uses less digits than its factorization.

2559991439430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23259085 (or 23259082 counting only the distinct ones).

The product of its (nonzero) digits is 47239200, while the sum is 63.

The spelling of 2559991439430 in words is "two trillion, five hundred fifty-nine billion, nine hundred ninety-one million, four hundred thirty-nine thousand, four hundred thirty".