260742531578 has 8 divisors (see below), whose sum is σ = 397742844960. Its totient is φ = 128161583260.

The previous prime is 260742531559. The next prime is 260742531611. The reversal of 260742531578 is 875135247062.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104841118 + ... + 1104841353.

It is an arithmetic number, because the mean of its divisors is an integer number (49717855620).

Almost surely, 2^260742531578 is an apocalyptic number.

260742531578 is a deficient number, since it is larger than the sum of its proper divisors (137000313382).

260742531578 is a wasteful number, since it uses less digits than its factorization.

260742531578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209682532.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 260742531578 in words is "two hundred sixty billion, seven hundred forty-two million, five hundred thirty-one thousand, five hundred seventy-eight".