478948487402 has 48 divisors (see below), whose sum is σ = 906226956096. Its totient is φ = 185828860800.

The previous prime is 478948487387. The next prime is 478948487411. The reversal of 478948487402 is 204784849874.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178328 + ... + 994835.

It is an arithmetic number, because the mean of its divisors is an integer number (18879728252).

Almost surely, 2^478948487402 is an apocalyptic number.

478948487402 is a deficient number, since it is larger than the sum of its proper divisors (427278468694).

478948487402 is a wasteful number, since it uses less digits than its factorization.

478948487402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173435 (or 1173424 counting only the distinct ones).

The product of its (nonzero) digits is 115605504, while the sum is 65.

The spelling of 478948487402 in words is "four hundred seventy-eight billion, nine hundred forty-eight million, four hundred eighty-seven thousand, four hundred two".