1240184047872 has 1728 divisors, whose sum is σ = 4711024281600. Its totient is φ = 284967567360.

The previous prime is 1240184047871. The next prime is 1240184047877. The reversal of 1240184047872 is 2787404810421.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1240184047871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12040621773 + ... + 12040621875.

It is an arithmetic number, because the mean of its divisors is an integer number (2726287200).

Almost surely, 2^{1240184047872} is an apocalyptic number.

1240184047872 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 1240184047872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2355512140800).

1240184047872 is an abundant number, since it is smaller than the sum of its proper divisors (3470840233728).

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

1240184047872 is a wasteful number, since it uses less digits than its factorization.

1240184047872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 48.

The spelling of 1240184047872 in words is "one trillion, two hundred forty billion, one hundred eighty-four million, forty-seven thousand, eight hundred seventy-two".