1270748448 has 144 divisors (see below), whose sum is σ = 3760094520. Its totient is φ = 406597632.

The previous prime is 1270748441. The next prime is 1270748467. The reversal of 1270748448 is 8448470721.

1270748448 is a `hidden beast` number, since 127 + 0 + 7 + 484 + 48 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 767733264 + 503015184 = 27708^2 + 22428^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1270748448² = 3229603236188817408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270748441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1945690 + ... + 1946342.

Almost surely, 2^1270748448 is an apocalyptic number.

1270748448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270748448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880047260).

1270748448 is an abundant number, since it is smaller than the sum of its proper divisors (2489346072).

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

1270748448 is a wasteful number, since it uses less digits than its factorization.

1270748448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The square root of 1270748448 is about 35647.5587943971. The cubic root of 1270748448 is about 1083.1448255408.

The spelling of 1270748448 in words is "one billion, two hundred seventy million, seven hundred forty-eight thousand, four hundred forty-eight".