28732749924038 has 32 divisors (see below), whose sum is σ = 45408725437440. Its totient is φ = 13597887700800.

The previous prime is 28732749924037. The next prime is 28732749924181. The reversal of 28732749924038 is 83042994723782.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28732749924037) 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, 197507795 + ... + 197653217.

It is an arithmetic number, because the mean of its divisors is an integer number (1419022669920).

Almost surely, 2^{28732749924038} is an apocalyptic number.

28732749924038 is a deficient number, since it is larger than the sum of its proper divisors (16675975513402).

28732749924038 is a wasteful number, since it uses less digits than its factorization.

28732749924038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150132.

The product of its (nonzero) digits is 292626432, while the sum is 68.

The spelling of 28732749924038 in words is "twenty-eight trillion, seven hundred thirty-two billion, seven hundred forty-nine million, nine hundred twenty-four thousand, thirty-eight".