1244507286672 has 240 divisors, whose sum is σ = 4048850856960. Its totient is φ = 353645816832.

The previous prime is 1244507286667. The next prime is 1244507286703. The reversal of 1244507286672 is 2766827054421.

1244507286672 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 507 + 2 + 8 + 66 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 750273 + ... + 1746975.

It is an arithmetic number, because the mean of its divisors is an integer number (16870211904).

Almost surely, 2^{1244507286672} is an apocalyptic number.

1244507286672 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 1244507286672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024425428480).

1244507286672 is an abundant number, since it is smaller than the sum of its proper divisors (2804343570288).

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

1244507286672 is a wasteful number, since it uses less digits than its factorization.

1244507286672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996782 (or 996773 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 1244507286672 in words is "one trillion, two hundred forty-four billion, five hundred seven million, two hundred eighty-six thousand, six hundred seventy-two".