1270644480 has 324 divisors, whose sum is σ = 5116332312. Its totient is φ = 290304000.

The previous prime is 1270644451. The next prime is 1270644503. The reversal of 1270644480 is 844460721.

1270644480 is a `hidden beast` number, since 1 + 2 + 7 + 0 + 644 + 4 + 8 + 0 = 666.

It is a super-2 number, since 2×1270644480² = 3229074789108940800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 563355 + ... + 565605.

Almost surely, 2^1270644480 is an apocalyptic number.

1270644480 is a gapful number since it is divisible by the number (10) 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 1270644480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2558166156).

1270644480 is an abundant number, since it is smaller than the sum of its proper divisors (3845687832).

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

1270644480 is a wasteful number, since it uses less digits than its factorization.

1270644480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 1270644480 is about 35646.1004879917. The cubic root of 1270644480 is about 1083.1152850830.

The spelling of 1270644480 in words is "one billion, two hundred seventy million, six hundred forty-four thousand, four hundred eighty".