407948644568 has 8 divisors (see below), whose sum is σ = 764903708580. Its totient is φ = 203974322280.

The previous prime is 407948644507. The next prime is 407948644627. The reversal of 407948644568 is 865446849704.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25496790278 + ... + 25496790293.

Almost surely, 2^407948644568 is an apocalyptic number.

It is an amenable number.

407948644568 is a deficient number, since it is larger than the sum of its proper divisors (356955064012).

407948644568 is a wasteful number, since it uses less digits than its factorization.

407948644568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50993580577 (or 50993580573 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 65.

The spelling of 407948644568 in words is "four hundred seven billion, nine hundred forty-eight million, six hundred forty-four thousand, five hundred sixty-eight".