28425146404 has 12 divisors (see below), whose sum is σ = 49757626800. Its totient is φ = 14208681608.

The previous prime is 28425146381. The next prime is 28425146419. The reversal of 28425146404 is 40464152482.

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, 956434 + ... + 985705.

It is an arithmetic number, because the mean of its divisors is an integer number (4146468900).

Almost surely, 2^28425146404 is an apocalyptic number.

It is an amenable number.

28425146404 is a deficient number, since it is larger than the sum of its proper divisors (21332480396).

28425146404 is a wasteful number, since it uses less digits than its factorization.

28425146404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945802 (or 1945800 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

Adding to 28425146404 its reverse (40464152482), we get a palindrome (68889298886).

The spelling of 28425146404 in words is "twenty-eight billion, four hundred twenty-five million, one hundred forty-six thousand, four hundred four".