260409692390 has 8 divisors (see below), whose sum is σ = 468737446320. Its totient is φ = 104163876952.

The previous prime is 260409692369. The next prime is 260409692393. The reversal of 260409692390 is 93296904062.

260409692390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260409692393) 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, 13020484610 + ... + 13020484629.

It is an arithmetic number, because the mean of its divisors is an integer number (58592180790).

Almost surely, 2^260409692390 is an apocalyptic number.

260409692390 is a deficient number, since it is larger than the sum of its proper divisors (208327753930).

260409692390 is a wasteful number, since it uses less digits than its factorization.

260409692390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26040969246.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 260409692390 in words is "two hundred sixty billion, four hundred nine million, six hundred ninety-two thousand, three hundred ninety".