478025363644 has 12 divisors (see below), whose sum is σ = 844666177264. Its totient is φ = 236692170144.

The previous prime is 478025363639. The next prime is 478025363657. The reversal of 478025363644 is 446363520874.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 478025363591 and 478025363600.

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, 580127457 + ... + 580128280.

Almost surely, 2^478025363644 is an apocalyptic number.

It is an amenable number.

478025363644 is a deficient number, since it is larger than the sum of its proper divisors (366640813620).

478025363644 is a wasteful number, since it uses less digits than its factorization.

478025363644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160255844 (or 1160255842 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 478025363644 in words is "four hundred seventy-eight billion, twenty-five million, three hundred sixty-three thousand, six hundred forty-four".