28342284542 has 16 divisors (see below), whose sum is σ = 49945844592. Its totient is φ = 11891867520.

The previous prime is 28342284499. The next prime is 28342284577. The reversal of 28342284542 is 24548224382.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28342284493 and 28342284502.

It is a congruent number.

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, 49549163 + ... + 49549734.

It is an arithmetic number, because the mean of its divisors is an integer number (3121615287).

Almost surely, 2^28342284542 is an apocalyptic number.

28342284542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28342284542 is a deficient number, since it is larger than the sum of its proper divisors (21603560050).

28342284542 is a wasteful number, since it uses less digits than its factorization.

28342284542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99098923.

The product of its digits is 983040, while the sum is 44.

The spelling of 28342284542 in words is "twenty-eight billion, three hundred forty-two million, two hundred eighty-four thousand, five hundred forty-two".