28735800549488 has 40 divisors (see below), whose sum is σ = 57473725255680. Its totient is φ = 13903905712320.

The previous prime is 28735800549479. The next prime is 28735800549517. The reversal of 28735800549488 is 88494500853782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12536933 + ... + 14650811.

It is an arithmetic number, because the mean of its divisors is an integer number (1436843131392).

Almost surely, 2^{28735800549488} is an apocalyptic number.

It is an amenable number.

28735800549488 is an abundant number, since it is smaller than the sum of its proper divisors (28737924706192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28735800549488 is a wasteful number, since it uses less digits than its factorization.

28735800549488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141325 (or 2141319 counting only the distinct ones).

The product of its (nonzero) digits is 619315200, while the sum is 71.

The spelling of 28735800549488 in words is "twenty-eight trillion, seven hundred thirty-five billion, eight hundred million, five hundred forty-nine thousand, four hundred eighty-eight".