720262903680 has 256 divisors, whose sum is σ = 2554220678400. Its totient is φ = 191822432256.

The previous prime is 720262903643. The next prime is 720262903681. The reversal of 720262903680 is 86309262027.

720262903680 is a `hidden beast` number, since 7 + 20 + 262 + 9 + 0 + 368 + 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 not an unprimeable number, because it can be changed into a prime (720262903681) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13572879 + ... + 13625841.

It is an arithmetic number, because the mean of its divisors is an integer number (9977424525).

Almost surely, 2^720262903680 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 720262903680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277110339200).

720262903680 is an abundant number, since it is smaller than the sum of its proper divisors (1833957774720).

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

720262903680 is a wasteful number, since it uses less digits than its factorization.

720262903680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53778 (or 53760 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 720262903680 in words is "seven hundred twenty billion, two hundred sixty-two million, nine hundred three thousand, six hundred eighty".