1256484498 has 32 divisors (see below), whose sum is σ = 2605547520. Its totient is φ = 403518480.

The previous prime is 1256484491. The next prime is 1256484521. The reversal of 1256484498 is 8944846521.

It is a self number, because there is not a number n which added to its sum of digits gives 1256484498.

It is not an unprimeable number, because it can be changed into a prime (1256484491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27343 + ... + 57101.

It is an arithmetic number, because the mean of its divisors is an integer number (81423360).

Almost surely, 2^1256484498 is an apocalyptic number.

1256484498 is an abundant number, since it is smaller than the sum of its proper divisors (1349063022).

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

1256484498 is a wasteful number, since it uses less digits than its factorization.

1256484498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30022.

The product of its digits is 2211840, while the sum is 51.

The square root of 1256484498 is about 35446.9250852595. The cubic root of 1256484498 is about 1079.0768569047.

The spelling of 1256484498 in words is "one billion, two hundred fifty-six million, four hundred eighty-four thousand, four hundred ninety-eight".