1255440411 has 8 divisors (see below), whose sum is σ = 1859911760. Its totient is φ = 836960256.

The previous prime is 1255440401. The next prime is 1255440419. The reversal of 1255440411 is 1140445521.

1255440411 is a `hidden beast` number, since 1 + 255 + 4 + 404 + 1 + 1 = 666.

It is not a de Polignac number, because 1255440411 - 2¹⁰ = 1255439387 is a prime.

It is a super-2 number, since 2×1255440411² = 3152261251143697842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 46497793 = 1255440411 / (1 + 2 + 5 + 5 + 4 + 4 + 0 + 4 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255440419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23248870 + ... + 23248923.

It is an arithmetic number, because the mean of its divisors is an integer number (232488970).

Almost surely, 2^1255440411 is an apocalyptic number.

1255440411 is a deficient number, since it is larger than the sum of its proper divisors (604471349).

1255440411 is an equidigital number, since it uses as much as digits as its factorization.

1255440411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46497802 (or 46497796 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1255440411 is about 35432.1945552347. The cubic root of 1255440411 is about 1078.7778845653. Note that the first 3 decimals are identical.

Adding to 1255440411 its reverse (1140445521), we get a palindrome (2395885932).

The spelling of 1255440411 in words is "one billion, two hundred fifty-five million, four hundred forty thousand, four hundred eleven".