673996308480 has 1280 divisors, whose sum is σ = 2786191689600. Its totient is φ = 154793410560.

The previous prime is 673996308449. The next prime is 673996308481. The reversal of 673996308480 is 84803699376.

673996308480 is a `hidden beast` number, since 6 + 7 + 3 + 99 + 63 + 0 + 8 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673996308481) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 35473489911 + ... + 35473489929.

Almost surely, 2^673996308480 is an apocalyptic number.

673996308480 is a gapful number since it is divisible by the number (60) 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 673996308480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393095844800).

673996308480 is an abundant number, since it is smaller than the sum of its proper divisors (2112195381120).

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

673996308480 is an frugal number, since it uses more digits than its factorization.

673996308480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 673996308480 in words is "six hundred seventy-three billion, nine hundred ninety-six million, three hundred eight thousand, four hundred eighty".