42782761850 has 192 divisors, whose sum is σ = 90084234240. Its totient is φ = 15037747200.

The previous prime is 42782761849. The next prime is 42782761873. The reversal of 42782761850 is 5816728724.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 191850839 + ... + 191851061.

It is an arithmetic number, because the mean of its divisors is an integer number (469188720).

Almost surely, 2^42782761850 is an apocalyptic number.

42782761850 is an abundant number, since it is smaller than the sum of its proper divisors (47301472390).

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

42782761850 is a wasteful number, since it uses less digits than its factorization.

42782761850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 42782761850 in words is "forty-two billion, seven hundred eighty-two million, seven hundred sixty-one thousand, eight hundred fifty".