28260009404 has 48 divisors (see below), whose sum is σ = 56812560000. Its totient is φ = 12164644800.

The previous prime is 28260009343. The next prime is 28260009409. The reversal of 28260009404 is 40490006282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28260009409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2920334 + ... + 2929994.

It is an arithmetic number, because the mean of its divisors is an integer number (1183595000).

Almost surely, 2^28260009404 is an apocalyptic number.

It is an amenable number.

28260009404 is an abundant number, since it is smaller than the sum of its proper divisors (28552550596).

28260009404 is a wasteful number, since it uses less digits than its factorization.

28260009404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194 (or 13192 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 28260009404 in words is "twenty-eight billion, two hundred sixty million, nine thousand, four hundred four".