42074079012 has 72 divisors (see below), whose sum is σ = 122727486336. Its totient is φ = 11904447744.

The previous prime is 42074079007. The next prime is 42074079013. The reversal of 42074079012 is 21097047024.

It is a super-2 number, since 2×42074079012² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42074079013) 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, 784533 + ... + 836444.

Almost surely, 2^42074079012 is an apocalyptic number.

42074079012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42074079012 is an abundant number, since it is smaller than the sum of its proper divisors (80653407324).

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

42074079012 is a wasteful number, since it uses less digits than its factorization.

42074079012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621097 (or 1621092 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 42074079012 in words is "forty-two billion, seventy-four million, seventy-nine thousand, twelve".