1140449206512 has 640 divisors, whose sum is σ = 3947461632000. Its totient is φ = 274790154240.

The previous prime is 1140449206471. The next prime is 1140449206517. The reversal of 1140449206512 is 2156029440411.

It is a super-2 number, since 2×1140449206512² (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 (1140449206517) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1694575008 + ... + 1694575680.

It is an arithmetic number, because the mean of its divisors is an integer number (6167908800).

Almost surely, 2^{1140449206512} is an apocalyptic number.

1140449206512 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 1140449206512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973730816000).

1140449206512 is an abundant number, since it is smaller than the sum of its proper divisors (2807012425488).

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

1140449206512 is a wasteful number, since it uses less digits than its factorization.

1140449206512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 1140449206512 in words is "one trillion, one hundred forty billion, four hundred forty-nine million, two hundred six thousand, five hundred twelve".