28027525405338 has 64 divisors (see below), whose sum is σ = 64434205261440. Its totient is φ = 9024398352000.

The previous prime is 28027525405309. The next prime is 28027525405367. The reversal of 28027525405338 is 83350452572082.

28027525405338 is a `hidden beast` number, since 2 + 8 + 0 + 2 + 7 + 52 + 54 + 0 + 533 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (28027525405309) and next prime (28027525405367).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62445820 + ... + 62893047.

It is an arithmetic number, because the mean of its divisors is an integer number (1006784457210).

Almost surely, 2^{28027525405338} is an apocalyptic number.

28027525405338 is an abundant number, since it is smaller than the sum of its proper divisors (36406679856102).

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

28027525405338 is a wasteful number, since it uses less digits than its factorization.

28027525405338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125339020 (or 125339014 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 28027525405338 in words is "twenty-eight trillion, twenty-seven billion, five hundred twenty-five million, four hundred five thousand, three hundred thirty-eight".