1255391676 has 96 divisors (see below), whose sum is σ = 4057858560. Its totient is φ = 326073600.

The previous prime is 1255391671. The next prime is 1255391729. The reversal of 1255391676 is 6761935521.

1255391676 is a `hidden beast` number, since 1 + 2 + 553 + 91 + 6 + 7 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255391671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67165 + ... + 83796.

It is an arithmetic number, because the mean of its divisors is an integer number (42269360).

Almost surely, 2^1255391676 is an apocalyptic number.

It is an amenable number.

1255391676 is an abundant number, since it is smaller than the sum of its proper divisors (2802466884).

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

1255391676 is a wasteful number, since it uses less digits than its factorization.

1255391676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150992 (or 150984 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 1255391676 is about 35431.5068265520. The cubic root of 1255391676 is about 1078.7639253417.

The spelling of 1255391676 in words is "one billion, two hundred fifty-five million, three hundred ninety-one thousand, six hundred seventy-six".