1274780244672 has 1120 divisors, whose sum is σ = 4667693057280. Its totient is φ = 338968903680.

The previous prime is 1274780244599. The next prime is 1274780244679. The reversal of 1274780244672 is 2764420874721.

1274780244672 is a `hidden beast` number, since 1 + 274 + 78 + 0 + 244 + 67 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1274780244679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1234055868 + ... + 1234056900.

Almost surely, 2^{1274780244672} is an apocalyptic number.

1274780244672 is a gapful number since it is divisible by the number (12) 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 1274780244672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2333846528640).

1274780244672 is an abundant number, since it is smaller than the sum of its proper divisors (3392912812608).

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

1274780244672 is a wasteful number, since it uses less digits than its factorization.

1274780244672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 54.

The spelling of 1274780244672 in words is "one trillion, two hundred seventy-four billion, seven hundred eighty million, two hundred forty-four thousand, six hundred seventy-two".