42407742742212 has 96 divisors (see below), whose sum is σ = 103544617921920. Its totient is φ = 13491426995200.

The previous prime is 42407742742199. The next prime is 42407742742219. The reversal of 42407742742212 is 21224724770424.

It is a super-2 number, since 2×42407742742212² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42407742742219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20708563 + ... + 22664069.

It is an arithmetic number, because the mean of its divisors is an integer number (1078589770020).

Almost surely, 2^{42407742742212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42407742742212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51772308960960).

42407742742212 is an abundant number, since it is smaller than the sum of its proper divisors (61136875179708).

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

42407742742212 is a wasteful number, since it uses less digits than its factorization.

42407742742212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956261 (or 1956259 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 48.

The spelling of 42407742742212 in words is "forty-two trillion, four hundred seven billion, seven hundred forty-two million, seven hundred forty-two thousand, two hundred twelve".