260420655 has 32 divisors (see below), whose sum is σ = 464237568. Its totient is φ = 123574400.

The previous prime is 260420627. The next prime is 260420681. The reversal of 260420655 is 556024062.

It is not a de Polignac number, because 260420655 - 2⁵ = 260420623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9036 + ... + 24545.

It is an arithmetic number, because the mean of its divisors is an integer number (14507424).

Almost surely, 2^260420655 is an apocalyptic number.

260420655 is a deficient number, since it is larger than the sum of its proper divisors (203816913).

260420655 is a wasteful number, since it uses less digits than its factorization.

260420655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33647.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 260420655 is about 16137.5541827131. The cubic root of 260420655 is about 638.5944536953.

The spelling of 260420655 in words is "two hundred sixty million, four hundred twenty thousand, six hundred fifty-five".