260400477834 has 120 divisors (see below), whose sum is σ = 700649566848. Its totient is φ = 72000064080.

The previous prime is 260400477829. The next prime is 260400477851. The reversal of 260400477834 is 438774004062.

260400477834 is a `hidden beast` number, since 2 + 60 + 40 + 0 + 477 + 83 + 4 = 666.

260400477834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 260400477834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 283024 + ... + 775179.

Almost surely, 2^260400477834 is an apocalyptic number.

260400477834 is an abundant number, since it is smaller than the sum of its proper divisors (440249089014).

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

260400477834 is a wasteful number, since it uses less digits than its factorization.

260400477834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058262 (or 1058246 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 260400477834 in words is "two hundred sixty billion, four hundred million, four hundred seventy-seven thousand, eight hundred thirty-four".