259030656654 has 128 divisors (see below), whose sum is σ = 682993188864. Its totient is φ = 63522144000.

The previous prime is 259030656631. The next prime is 259030656659. The reversal of 259030656654 is 456656030952.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 259030656597 and 259030656606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259030656659) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 366639 + ... + 807765.

It is an arithmetic number, because the mean of its divisors is an integer number (5335884288).

Almost surely, 2^259030656654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259030656654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341496594432).

259030656654 is an abundant number, since it is smaller than the sum of its proper divisors (423962532210).

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

259030656654 is a wasteful number, since it uses less digits than its factorization.

259030656654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441222.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 259030656654 in words is "two hundred fifty-nine billion, thirty million, six hundred fifty-six thousand, six hundred fifty-four".