726073122480 has 40 divisors (see below), whose sum is σ = 2250826680432. Its totient is φ = 193619499264.

The previous prime is 726073122449. The next prime is 726073122503. The reversal of 726073122480 is 84221370627.

It is a happy number.

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

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, 1512652099 + ... + 1512652578.

Almost surely, 2^726073122480 is an apocalyptic number.

It is an amenable number.

726073122480 is an abundant number, since it is smaller than the sum of its proper divisors (1524753557952).

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

726073122480 is a wasteful number, since it uses less digits than its factorization.

726073122480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025304693 (or 3025304687 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 726073122480 in words is "seven hundred twenty-six billion, seventy-three million, one hundred twenty-two thousand, four hundred eighty".