1240449980112 has 160 divisors (see below), whose sum is σ = 4069756661760. Its totient is φ = 354365884800.

The previous prime is 1240449980111. The next prime is 1240449980117. The reversal of 1240449980112 is 2110899440421.

1240449980112 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 449 + 98 + 0 + 112 = 666.

It is a super-2 number, since 2×1240449980112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240449980111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26173237 + ... + 26220587.

It is an arithmetic number, because the mean of its divisors is an integer number (25435979136).

Almost surely, 2^{1240449980112} is an apocalyptic number.

1240449980112 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 1240449980112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034878330880).

1240449980112 is an abundant number, since it is smaller than the sum of its proper divisors (2829306681648).

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

1240449980112 is a wasteful number, since it uses less digits than its factorization.

1240449980112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56038 (or 56026 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 1240449980112 in words is "one trillion, two hundred forty billion, four hundred forty-nine million, nine hundred eighty thousand, one hundred twelve".