730250040 has 64 divisors (see below), whose sum is σ = 2359274400. Its totient is φ = 179753472.

The previous prime is 730250039. The next prime is 730250051. The reversal of 730250040 is 40052037.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 730249989 and 730250016.

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, 232495 + ... + 235614.

Almost surely, 2^730250040 is an apocalyptic number.

It is an amenable number.

730250040 is an abundant number, since it is smaller than the sum of its proper divisors (1629024360).

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

730250040 is a wasteful number, since it uses less digits than its factorization.

730250040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468136 (or 468132 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 730250040 is about 27023.1389738498. The cubic root of 730250040 is about 900.5141260021.

The spelling of 730250040 in words is "seven hundred thirty million, two hundred fifty thousand, forty".