407217245272 has 16 divisors (see below), whose sum is σ = 776473561800. Its totient is φ = 200157628800.

The previous prime is 407217245269. The next prime is 407217245297. The reversal of 407217245272 is 272542712704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431373729 + ... + 431374672.

Almost surely, 2^407217245272 is an apocalyptic number.

It is an amenable number.

407217245272 is a deficient number, since it is larger than the sum of its proper divisors (369256316528).

407217245272 is a wasteful number, since it uses less digits than its factorization.

407217245272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862748466 (or 862748462 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 43.

Adding to 407217245272 its reverse (272542712704), we get a palindrome (679759957976).

The spelling of 407217245272 in words is "four hundred seven billion, two hundred seventeen million, two hundred forty-five thousand, two hundred seventy-two".