842028354506 has 16 divisors (see below), whose sum is σ = 1275890826600. Its totient is φ = 416752667328.

The previous prime is 842028354491. The next prime is 842028354653. The reversal of 842028354506 is 605453820248.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 707548463281 + 134479891225 = 841159^2 + 366715^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5234321 + ... + 5392788.

Almost surely, 2^842028354506 is an apocalyptic number.

842028354506 is a deficient number, since it is larger than the sum of its proper divisors (433862472094).

842028354506 is a wasteful number, since it uses less digits than its factorization.

842028354506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10627513.

The product of its (nonzero) digits is 1843200, while the sum is 47.

The spelling of 842028354506 in words is "eight hundred forty-two billion, twenty-eight million, three hundred fifty-four thousand, five hundred six".