28365045404 has 24 divisors (see below), whose sum is σ = 49810853568. Its totient is φ = 14133450240.

The previous prime is 28365045367. The next prime is 28365045407. The reversal of 28365045404 is 40454056382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28365045407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568864 + ... + 1586840.

It is an arithmetic number, because the mean of its divisors is an integer number (2075452232).

Almost surely, 2^28365045404 is an apocalyptic number.

It is an amenable number.

28365045404 is a deficient number, since it is larger than the sum of its proper divisors (21445808164).

28365045404 is a wasteful number, since it uses less digits than its factorization.

28365045404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19325 (or 19323 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 28365045404 in words is "twenty-eight billion, three hundred sixty-five million, forty-five thousand, four hundred four".