28170142354 has 8 divisors (see below), whose sum is σ = 44092396800. Its totient is φ = 13472676756.

The previous prime is 28170142321. The next prime is 28170142361. The reversal of 28170142354 is 45324107182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28170142354² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306197154 + ... + 306197245.

It is an arithmetic number, because the mean of its divisors is an integer number (5511549600).

Almost surely, 2^28170142354 is an apocalyptic number.

28170142354 is a deficient number, since it is larger than the sum of its proper divisors (15922254446).

28170142354 is a wasteful number, since it uses less digits than its factorization.

28170142354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612394424.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 28170142354 in words is "twenty-eight billion, one hundred seventy million, one hundred forty-two thousand, three hundred fifty-four".