4477394945408 has 128 divisors (see below), whose sum is σ = 11504279059200. Its totient is φ = 1684286392320.

The previous prime is 4477394945377. The next prime is 4477394945411. The reversal of 4477394945408 is 8045494937744.

It is a tau number, because it is divible by the number of its divisors (128).

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, 7546610 + ... + 8118257.

It is an arithmetic number, because the mean of its divisors is an integer number (89877180150).

Almost surely, 2^{4477394945408} is an apocalyptic number.

It is an amenable number.

4477394945408 is an abundant number, since it is smaller than the sum of its proper divisors (7026884113792).

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

4477394945408 is a wasteful number, since it uses less digits than its factorization.

4477394945408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15664928 (or 15664916 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 68.

The spelling of 4477394945408 in words is "four trillion, four hundred seventy-seven billion, three hundred ninety-four million, nine hundred forty-five thousand, four hundred eight".