673652940480 has 336 divisors, whose sum is σ = 2626658317920. Its totient is φ = 157094608896.

The previous prime is 673652940437. The next prime is 673652940487. The reversal of 673652940480 is 84049256376.

673652940480 is a `hidden beast` number, since 6 + 7 + 36 + 529 + 4 + 0 + 4 + 80 = 666.

It is not an unprimeable number, because it can be changed into a prime (673652940487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237864 + ... + 1184856.

It is an arithmetic number, because the mean of its divisors is an integer number (7817435470).

Almost surely, 2^673652940480 is an apocalyptic number.

673652940480 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 673652940480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313329158960).

673652940480 is an abundant number, since it is smaller than the sum of its proper divisors (1953005377440).

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

673652940480 is a wasteful number, since it uses less digits than its factorization.

673652940480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947048 (or 947035 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 673652940480 in words is "six hundred seventy-three billion, six hundred fifty-two million, nine hundred forty thousand, four hundred eighty".