42673780368 has 80 divisors (see below), whose sum is σ = 122639769600. Its totient is φ = 14207149440.

The previous prime is 42673780361. The next prime is 42673780397. The reversal of 42673780368 is 86308737624.

42673780368 is a `hidden beast` number, since 4 + 267 + 378 + 0 + 3 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (42673780361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 294513 + ... + 414831.

It is an arithmetic number, because the mean of its divisors is an integer number (1532997120).

Almost surely, 2^42673780368 is an apocalyptic number.

42673780368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42673780368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61319884800).

42673780368 is an abundant number, since it is smaller than the sum of its proper divisors (79965989232).

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

42673780368 is a wasteful number, since it uses less digits than its factorization.

42673780368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121157 (or 121145 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 42673780368 in words is "forty-two billion, six hundred seventy-three million, seven hundred eighty thousand, three hundred sixty-eight".