720194605040 has 40 divisors (see below), whose sum is σ = 1679015065920. Its totient is φ = 287292877056.

The previous prime is 720194605001. The next prime is 720194605051. The reversal of 720194605040 is 40506491027.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 720194604985 and 720194605003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12235535 + ... + 12294254.

It is an arithmetic number, because the mean of its divisors is an integer number (41975376648).

Almost surely, 2^720194605040 is an apocalyptic number.

It is an amenable number.

720194605040 is an abundant number, since it is smaller than the sum of its proper divisors (958820460880).

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

720194605040 is a wasteful number, since it uses less digits than its factorization.

720194605040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24530169 (or 24530163 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 720194605040 in words is "seven hundred twenty billion, one hundred ninety-four million, six hundred five thousand, forty".