1255880164 has 48 divisors (see below), whose sum is σ = 2884331520. Its totient is φ = 463548960.

The previous prime is 1255880113. The next prime is 1255880191. The reversal of 1255880164 is 4610885521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101452 + ... + 113155.

It is an arithmetic number, because the mean of its divisors is an integer number (60090240).

Almost surely, 2^1255880164 is an apocalyptic number.

1255880164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1255880164 is an abundant number, since it is smaller than the sum of its proper divisors (1628451356).

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

1255880164 is a wasteful number, since it uses less digits than its factorization.

1255880164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214648 (or 214646 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 1255880164 is about 35438.3995688293. The cubic root of 1255880164 is about 1078.9038272034.

The spelling of 1255880164 in words is "one billion, two hundred fifty-five million, eight hundred eighty thousand, one hundred sixty-four".