42839502894 has 48 divisors (see below), whose sum is σ = 93780872640. Its totient is φ = 14131972800.

The previous prime is 42839502889. The next prime is 42839502899. The reversal of 42839502894 is 49820593824.

42839502894 is a `hidden beast` number, since 4 + 28 + 39 + 502 + 89 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (42839502889) and next prime (42839502899).

It is a self number, because there is not a number n which added to its sum of digits gives 42839502894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42839502899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5517387 + ... + 5525145.

It is an arithmetic number, because the mean of its divisors is an integer number (1953768180).

Almost surely, 2^42839502894 is an apocalyptic number.

42839502894 is an abundant number, since it is smaller than the sum of its proper divisors (50941369746).

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

42839502894 is a wasteful number, since it uses less digits than its factorization.

42839502894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10905 (or 10902 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 42839502894 in words is "forty-two billion, eight hundred thirty-nine million, five hundred two thousand, eight hundred ninety-four".