9440997534720 has 880 divisors, whose sum is σ = 36171829032768. Its totient is φ = 2346319872000.

The previous prime is 9440997534671. The next prime is 9440997534757. The reversal of 9440997534720 is 274357990449.

9440997534720 is a `hidden beast` number, since 9 + 4 + 4 + 0 + 9 + 97 + 534 + 7 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 726168220 + ... + 726181220.

Almost surely, 2^{9440997534720} is an apocalyptic number.

9440997534720 is a gapful number since it is divisible by the number (90) 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 9440997534720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18085914516384).

9440997534720 is an abundant number, since it is smaller than the sum of its proper divisors (26730831498048).

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

9440997534720 is a wasteful number, since it uses less digits than its factorization.

9440997534720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13158 (or 13131 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 9440997534720 in words is "nine trillion, four hundred forty billion, nine hundred ninety-seven million, five hundred thirty-four thousand, seven hundred twenty".