42078350862 has 48 divisors (see below), whose sum is σ = 93839374512. Its totient is φ = 13617072000.

The previous prime is 42078350849. The next prime is 42078350863. The reversal of 42078350862 is 26805387024.

42078350862 is a `hidden beast` number, since 4 + 2 + 0 + 7 + 83 + 508 + 62 = 666.

It is a super-2 number, since 2×42078350862² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42078350863) 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, 235237 + ... + 373487.

It is an arithmetic number, because the mean of its divisors is an integer number (1954986969).

Almost surely, 2^42078350862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42078350862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46919687256).

42078350862 is an abundant number, since it is smaller than the sum of its proper divisors (51761023650).

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

42078350862 is a wasteful number, since it uses less digits than its factorization.

42078350862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138753 (or 138750 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 42078350862 in words is "forty-two billion, seventy-eight million, three hundred fifty thousand, eight hundred sixty-two".