1270616448 has 128 divisors (see below), whose sum is σ = 3635280000. Its totient is φ = 391749632.

The previous prime is 1270616387. The next prime is 1270616449. The reversal of 1270616448 is 8446160721.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1270616448² = 3228932315856273408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270616449) 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, 383503 + ... + 386801.

It is an arithmetic number, because the mean of its divisors is an integer number (28400625).

Almost surely, 2^1270616448 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 1270616448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817640000).

1270616448 is an abundant number, since it is smaller than the sum of its proper divisors (2364663552).

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

1270616448 is a wasteful number, since it uses less digits than its factorization.

1270616448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1270616448 is about 35645.7072871335. The cubic root of 1270616448 is about 1083.1073200670.

The spelling of 1270616448 in words is "one billion, two hundred seventy million, six hundred sixteen thousand, four hundred forty-eight".