1340649034752 has 264 divisors, whose sum is σ = 3706186777696. Its totient is φ = 430531117056.

The previous prime is 1340649034723. The next prime is 1340649034801. The reversal of 1340649034752 is 2574309460431.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4983825274 + ... + 4983825542.

Almost surely, 2^{1340649034752} is an apocalyptic number.

1340649034752 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 1340649034752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853093388848).

1340649034752 is an abundant number, since it is smaller than the sum of its proper divisors (2365537742944).

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

1340649034752 is an equidigital number, since it uses as much as digits as its factorization.

1340649034752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 1340649034752 in words is "one trillion, three hundred forty billion, six hundred forty-nine million, thirty-four thousand, seven hundred fifty-two".