1278482418 has 24 divisors (see below), whose sum is σ = 2837608956. Its totient is φ = 415766400.

The previous prime is 1278482383. The next prime is 1278482437. The reversal of 1278482418 is 8142848721.

1278482418 is a `hidden beast` number, since 127 + 8 + 482 + 41 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1272562929 + 5919489 = 35673^2 + 2433^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 865443 + ... + 866918.

Almost surely, 2^1278482418 is an apocalyptic number.

1278482418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1278482418 is an abundant number, since it is smaller than the sum of its proper divisors (1559126538).

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

1278482418 is a wasteful number, since it uses less digits than its factorization.

1278482418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732410 (or 1732407 counting only the distinct ones).

The product of its digits is 229376, while the sum is 45.

The square root of 1278482418 is about 35755.8724966963. The cubic root of 1278482418 is about 1085.3377778493.

It can be divided in two parts, 127848241 and 8, that added together give a square (127848249 = 11307²).

The spelling of 1278482418 in words is "one billion, two hundred seventy-eight million, four hundred eighty-two thousand, four hundred eighteen".