260400493830 has 32 divisors (see below), whose sum is σ = 645121225728. Its totient is φ = 67200127200.

The previous prime is 260400493813. The next prime is 260400493849. The reversal of 260400493830 is 38394004062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139999336 + ... + 140001195.

It is an arithmetic number, because the mean of its divisors is an integer number (20160038304).

Almost surely, 2^260400493830 is an apocalyptic number.

260400493830 is an abundant number, since it is smaller than the sum of its proper divisors (384720731898).

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

260400493830 is a wasteful number, since it uses less digits than its factorization.

260400493830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280000572.

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 260400493830 its reverse (38394004062), we get a palindrome (298794497892).

The spelling of 260400493830 in words is "two hundred sixty billion, four hundred million, four hundred ninety-three thousand, eight hundred thirty".