2728405235750 has 32 divisors (see below), whose sum is σ = 5107719449664. Its totient is φ = 1091331144000.

The previous prime is 2728405235741. The next prime is 2728405235783. The reversal of 2728405235750 is 575325048272.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10011290 + ... + 10280210.

It is an arithmetic number, because the mean of its divisors is an integer number (159616232802).

Almost surely, 2^{2728405235750} is an apocalyptic number.

2728405235750 is a deficient number, since it is larger than the sum of its proper divisors (2379314213914).

2728405235750 is a wasteful number, since it uses less digits than its factorization.

2728405235750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309521 (or 309511 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 50.

The spelling of 2728405235750 in words is "two trillion, seven hundred twenty-eight billion, four hundred five million, two hundred thirty-five thousand, seven hundred fifty".