4097573394640 has 80 divisors (see below), whose sum is σ = 10397093936256. Its totient is φ = 1489430592000.

The previous prime is 4097573394619. The next prime is 4097573394659. The reversal of 4097573394640 is 464933757904.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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, 1272490 + ... + 3132790.

Almost surely, 2^{4097573394640} is an apocalyptic number.

4097573394640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4097573394640 is an abundant number, since it is smaller than the sum of its proper divisors (6299520541616).

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

4097573394640 is a wasteful number, since it uses less digits than its factorization.

4097573394640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862828 (or 1862822 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 61.

The spelling of 4097573394640 in words is "four trillion, ninety-seven billion, five hundred seventy-three million, three hundred ninety-four thousand, six hundred forty".