2559642158442 has 8 divisors (see below), whose sum is σ = 5119284316896. Its totient is φ = 853214052812.

The previous prime is 2559642158419. The next prime is 2559642158443. The reversal of 2559642158442 is 2448512469552.

It is a sphenic number, since it is the product of 3 distinct primes.

2559642158442 is an admirable number.

It is a super-3 number, since 3×2559642158442³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2559642158443) 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, 213303513198 + ... + 213303513209.

It is an arithmetic number, because the mean of its divisors is an integer number (639910539612).

Almost surely, 2^{2559642158442} is an apocalyptic number.

2559642158442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2559642158442 is a wasteful number, since it uses less digits than its factorization.

2559642158442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426607026412.

The product of its digits is 27648000, while the sum is 57.

The spelling of 2559642158442 in words is "two trillion, five hundred fifty-nine billion, six hundred forty-two million, one hundred fifty-eight thousand, four hundred forty-two".