260028028458 has 96 divisors (see below), whose sum is σ = 643374710784. Its totient is φ = 75180420000.

The previous prime is 260028028423. The next prime is 260028028531. The reversal of 260028028458 is 854820820062.

It is a super-2 number, since 2×260028028458² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137463 + ... + 734133.

It is an arithmetic number, because the mean of its divisors is an integer number (6701819904).

Almost surely, 2^260028028458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260028028458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321687355392).

260028028458 is an abundant number, since it is smaller than the sum of its proper divisors (383346682326).

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

260028028458 is a wasteful number, since it uses less digits than its factorization.

260028028458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596792 (or 596789 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 260028028458 in words is "two hundred sixty billion, twenty-eight million, twenty-eight thousand, four hundred fifty-eight".