4345285909842 has 24 divisors (see below), whose sum is σ = 9633734654544. Its totient is φ = 1414744249464.

The previous prime is 4345285909841. The next prime is 4345285909849. The reversal of 4345285909842 is 2489095825434.

4345285909842 is a `hidden beast` number, since 4 + 3 + 452 + 8 + 5 + 90 + 98 + 4 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4345285909842.

It is not an unprimeable number, because it can be changed into a prime (4345285909841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2807031468 + ... + 2807033015.

It is an arithmetic number, because the mean of its divisors is an integer number (401405610606).

Almost surely, 2^{4345285909842} is an apocalyptic number.

4345285909842 is an abundant number, since it is smaller than the sum of its proper divisors (5288448744702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4345285909842 is a wasteful number, since it uses less digits than its factorization.

4345285909842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614064534 (or 5614064531 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 63.

The spelling of 4345285909842 in words is "four trillion, three hundred forty-five billion, two hundred eighty-five million, nine hundred nine thousand, eight hundred forty-two".