260021043156 has 24 divisors (see below), whose sum is σ = 693389448640. Its totient is φ = 74291726592.

The previous prime is 260021043151. The next prime is 260021043173. The reversal of 260021043156 is 651340120062.

260021043156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×260021043156² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260021043151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547744221 + ... + 1547744388.

Almost surely, 2^260021043156 is an apocalyptic number.

It is an amenable number.

260021043156 is an abundant number, since it is smaller than the sum of its proper divisors (433368405484).

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

260021043156 is a wasteful number, since it uses less digits than its factorization.

260021043156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095488623 (or 3095488621 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 260021043156 in words is "two hundred sixty billion, twenty-one million, forty-three thousand, one hundred fifty-six".