18073974299248 has 120 divisors (see below), whose sum is σ = 42248953941504. Its totient is φ = 7460589628800.

The previous prime is 18073974299231. The next prime is 18073974299273. The reversal of 18073974299248 is 84299247937081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3365911 + ... + 6890377.

Almost surely, 2^{18073974299248} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18073974299248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21124476970752).

18073974299248 is an abundant number, since it is smaller than the sum of its proper divisors (24174979642256).

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

18073974299248 is a wasteful number, since it uses less digits than its factorization.

18073974299248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524731 (or 3524718 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 73.

The spelling of 18073974299248 in words is "eighteen trillion, seventy-three billion, nine hundred seventy-four million, two hundred ninety-nine thousand, two hundred forty-eight".