720056671488 has 648 divisors, whose sum is σ = 2773361092320. Its totient is φ = 177178337280.

The previous prime is 720056671471. The next prime is 720056671559. The reversal of 720056671488 is 884176650027.

720056671488 is a `hidden beast` number, since 7 + 2 + 0 + 0 + 566 + 71 + 4 + 8 + 8 = 666.

It is a super-2 number, since 2×720056671488² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23580006 + ... + 23610522.

Almost surely, 2^720056671488 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 720056671488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386680546160).

720056671488 is an abundant number, since it is smaller than the sum of its proper divisors (2053304420832).

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

720056671488 is a wasteful number, since it uses less digits than its factorization.

720056671488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30583 (or 30559 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 720056671488 in words is "seven hundred twenty billion, fifty-six million, six hundred seventy-one thousand, four hundred eighty-eight".