28030302755 has 48 divisors (see below), whose sum is σ = 42214646880. Its totient is φ = 17709931008.

The previous prime is 28030302749. The next prime is 28030302793. The reversal of 28030302755 is 55720303082.

It is not a de Polignac number, because 28030302755 - 2⁴ = 28030302739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1804532 + ... + 1819998.

It is an arithmetic number, because the mean of its divisors is an integer number (879471810).

Almost surely, 2^28030302755 is an apocalyptic number.

28030302755 is a deficient number, since it is larger than the sum of its proper divisors (14184344125).

28030302755 is a wasteful number, since it uses less digits than its factorization.

28030302755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16068 (or 16061 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

It can be divided in two parts, 280303027 and 55, that added together give a palindrome (280303082).

The spelling of 28030302755 in words is "twenty-eight billion, thirty million, three hundred two thousand, seven hundred fifty-five".