17996472000 has 1344 divisors, whose sum is σ = 78312873600. Its totient is φ = 4025548800.

The previous prime is 17996471957. The next prime is 17996472023. The reversal of 17996472000 is 27469971.

17996472000 is a `hidden beast` number, since 179 + 9 + 6 + 472 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 620567986 + ... + 620568014.

Almost surely, 2^17996472000 is an apocalyptic number.

17996472000 is a gapful number since it is divisible by the number (10) 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 17996472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39156436800).

17996472000 is an abundant number, since it is smaller than the sum of its proper divisors (60316401600).

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

17996472000 is a wasteful number, since it uses less digits than its factorization.

17996472000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 17996472000 in words is "seventeen billion, nine hundred ninety-six million, four hundred seventy-two thousand".