981093342720 has 160 divisors (see below), whose sum is σ = 3212932171680. Its totient is φ = 255243714560.

The previous prime is 981093342703. The next prime is 981093342781. The reversal of 981093342720 is 27243390189.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is a self number, because there is not a number n which added to its sum of digits gives 981093342720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243005 + ... + 1872764.

It is an arithmetic number, because the mean of its divisors is an integer number (20080826073).

Almost surely, 2^981093342720 is an apocalyptic number.

It is an amenable number.

981093342720 is an abundant number, since it is smaller than the sum of its proper divisors (2231838828960).

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

981093342720 is a wasteful number, since it uses less digits than its factorization.

981093342720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115836 (or 3115820 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 981093342720 in words is "nine hundred eighty-one billion, ninety-three million, three hundred forty-two thousand, seven hundred twenty".