407244647261 has 8 divisors (see below), whose sum is σ = 409023369600. Its totient is φ = 405466548480.

The previous prime is 407244647231. The next prime is 407244647311. The reversal of 407244647261 is 162746442704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 407244647261 - 2⁶ = 407244647197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407244647231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178006 + ... + 1483976.

It is an arithmetic number, because the mean of its divisors is an integer number (51127921200).

Almost surely, 2^407244647261 is an apocalyptic number.

It is an amenable number.

407244647261 is a deficient number, since it is larger than the sum of its proper divisors (1778722339).

407244647261 is a wasteful number, since it uses less digits than its factorization.

407244647261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311779.

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 407244647261 in words is "four hundred seven billion, two hundred forty-four million, six hundred forty-seven thousand, two hundred sixty-one".