478140559025 has 12 divisors (see below), whose sum is σ = 595506169392. Its totient is φ = 380827365840.

The previous prime is 478140559021. The next prime is 478140559027. The reversal of 478140559025 is 520955041874.

It is not a de Polignac number, because 478140559025 - 2² = 478140559021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478140559021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42121247 + ... + 42132596.

It is an arithmetic number, because the mean of its divisors is an integer number (49625514116).

Almost surely, 2^478140559025 is an apocalyptic number.

It is an amenable number.

478140559025 is a deficient number, since it is larger than the sum of its proper divisors (117365610367).

478140559025 is a wasteful number, since it uses less digits than its factorization.

478140559025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84254080 (or 84254075 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 478140559025 in words is "four hundred seventy-eight billion, one hundred forty million, five hundred fifty-nine thousand, twenty-five".