724680663040 has 224 divisors, whose sum is σ = 1767594636000. Its totient is φ = 285163388928.

The previous prime is 724680663037. The next prime is 724680663059. The reversal of 724680663040 is 40366086427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980622991 + ... + 980623729.

Almost surely, 2^724680663040 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 724680663040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883797318000).

724680663040 is an abundant number, since it is smaller than the sum of its proper divisors (1042913972960).

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

724680663040 is an equidigital number, since it uses as much as digits as its factorization.

724680663040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 724680663040 in words is "seven hundred twenty-four billion, six hundred eighty million, six hundred sixty-three thousand, forty".