1994716279320 has 32 divisors (see below), whose sum is σ = 5984148838320. Its totient is φ = 531924341120.

The previous prime is 1994716279313. The next prime is 1994716279321. The reversal of 1994716279320 is 239726174991.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994716279321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8311317711 + ... + 8311317950.

Almost surely, 2^{1994716279320} is an apocalyptic number.

1994716279320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994716279320 is an abundant number, since it is smaller than the sum of its proper divisors (3989432559000).

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

1994716279320 is a wasteful number, since it uses less digits than its factorization.

1994716279320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16622635675 (or 16622635671 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 1994716279320 in words is "one trillion, nine hundred ninety-four billion, seven hundred sixteen million, two hundred seventy-nine thousand, three hundred twenty".