1255562464 has 48 divisors (see below), whose sum is σ = 2668014720. Its totient is φ = 578188800.

The previous prime is 1255562447. The next prime is 1255562501. The reversal of 1255562464 is 4642655521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196114 + ... + 202414.

It is an arithmetic number, because the mean of its divisors is an integer number (55583640).

Almost surely, 2^1255562464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255562464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334007360).

1255562464 is an abundant number, since it is smaller than the sum of its proper divisors (1412452256).

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

1255562464 is a wasteful number, since it uses less digits than its factorization.

1255562464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803 (or 6795 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 1255562464 is about 35433.9168594159. The cubic root of 1255562464 is about 1078.8128427652.

The spelling of 1255562464 in words is "one billion, two hundred fifty-five million, five hundred sixty-two thousand, four hundred sixty-four".