259456380584942 has 16 divisors (see below), whose sum is σ = 389657414160240. Its totient is φ = 129570597943488.

The previous prime is 259456380584941. The next prime is 259456380585007. The reversal of 259456380584942 is 249485083654952.

It is a super-2 number, since 2×259456380584942² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 259456380584942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259456380584941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18020909 + ... + 29045927.

It is an arithmetic number, because the mean of its divisors is an integer number (24353588385015).

Almost surely, 2^{259456380584942} is an apocalyptic number.

259456380584942 is a deficient number, since it is larger than the sum of its proper divisors (130201033575298).

259456380584942 is a wasteful number, since it uses less digits than its factorization.

259456380584942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039315.

The product of its (nonzero) digits is 2985984000, while the sum is 74.

The spelling of 259456380584942 in words is "two hundred fifty-nine trillion, four hundred fifty-six billion, three hundred eighty million, five hundred eighty-four thousand, nine hundred forty-two".