1497340440768 has 112 divisors (see below), whose sum is σ = 4111506696960. Its totient is φ = 480352588800.

The previous prime is 1497340440767. The next prime is 1497340440773. The reversal of 1497340440768 is 8670440437941.

It is not an unprimeable number, because it can be changed into a prime (1497340440763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299303 + ... + 2163993.

Almost surely, 2^{1497340440768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497340440768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2055753348480).

1497340440768 is an abundant number, since it is smaller than the sum of its proper divisors (2614166256192).

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

1497340440768 is a wasteful number, since it uses less digits than its factorization.

1497340440768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865046 (or 865036 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 1497340440768 in words is "one trillion, four hundred ninety-seven billion, three hundred forty million, four hundred forty thousand, seven hundred sixty-eight".