28057742482 has 16 divisors (see below), whose sum is σ = 52471622592. Its totient is φ = 10931587920.

The previous prime is 28057742443. The next prime is 28057742509. The reversal of 28057742482 is 28424775082.

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, 91096413 + ... + 91096720.

It is an arithmetic number, because the mean of its divisors is an integer number (3279476412).

Almost surely, 2^28057742482 is an apocalyptic number.

28057742482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28057742482 is a deficient number, since it is larger than the sum of its proper divisors (24413880110).

28057742482 is a wasteful number, since it uses less digits than its factorization.

28057742482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182193153.

The product of its (nonzero) digits is 2007040, while the sum is 49.

The spelling of 28057742482 in words is "twenty-eight billion, fifty-seven million, seven hundred forty-two thousand, four hundred eighty-two".