2079659197440 has 704 divisors, whose sum is σ = 8121447936000. Its totient is φ = 500481884160.

The previous prime is 2079659197433. The next prime is 2079659197513. The reversal of 2079659197440 is 447919569702.

It is a tau number, because it is divible by the number of its divisors (704).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211364041 + ... + 211373879.

Almost surely, 2^{2079659197440} is an apocalyptic number.

2079659197440 is a gapful number since it is divisible by the number (20) 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 2079659197440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4060723968000).

2079659197440 is an abundant number, since it is smaller than the sum of its proper divisors (6041788738560).

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

2079659197440 is a wasteful number, since it uses less digits than its factorization.

2079659197440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023 (or 9999 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 2079659197440 in words is "two trillion, seventy-nine billion, six hundred fifty-nine million, one hundred ninety-seven thousand, four hundred forty".