994426337712 has 20 divisors (see below), whose sum is σ = 2568934705880. Its totient is φ = 331475445888.

The previous prime is 994426337711. The next prime is 994426337819. The reversal of 994426337712 is 217733624499.

It is a super-2 number, since 2×994426337712² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (994426337711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10358607637 + ... + 10358607732.

It is an arithmetic number, because the mean of its divisors is an integer number (128446735294).

Almost surely, 2^994426337712 is an apocalyptic number.

It is an amenable number.

994426337712 is an abundant number, since it is smaller than the sum of its proper divisors (1574508368168).

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

994426337712 is a wasteful number, since it uses less digits than its factorization.

994426337712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20717215380 (or 20717215374 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 57.

The spelling of 994426337712 in words is "nine hundred ninety-four billion, four hundred twenty-six million, three hundred thirty-seven thousand, seven hundred twelve".