28415503342 has 4 divisors (see below), whose sum is σ = 42623255016. Its totient is φ = 14207751670.

The previous prime is 28415503313. The next prime is 28415503381. The reversal of 28415503342 is 24330551482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24330551482 = 2 ⋅12165275741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7103875834 + ... + 7103875837.

It is an arithmetic number, because the mean of its divisors is an integer number (10655813754).

Almost surely, 2^28415503342 is an apocalyptic number.

28415503342 is a deficient number, since it is larger than the sum of its proper divisors (14207751674).

28415503342 is a wasteful number, since it uses less digits than its factorization.

28415503342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14207751673.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 28415503342 in words is "twenty-eight billion, four hundred fifteen million, five hundred three thousand, three hundred forty-two".