42043434412 has 24 divisors (see below), whose sum is σ = 84357262080. Its totient is φ = 17960673360.

The previous prime is 42043434401. The next prime is 42043434431. The reversal of 42043434412 is 21443434024.

It is a super-2 number, since 2×42043434412² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2405362 + ... + 2422777.

It is an arithmetic number, because the mean of its divisors is an integer number (3514885920).

Almost surely, 2^42043434412 is an apocalyptic number.

It is an amenable number.

42043434412 is an abundant number, since it is smaller than the sum of its proper divisors (42313827668).

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

42043434412 is a wasteful number, since it uses less digits than its factorization.

42043434412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828461 (or 4828459 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 42043434412 its reverse (21443434024), we get a palindrome (63486868436).

The spelling of 42043434412 in words is "forty-two billion, forty-three million, four hundred thirty-four thousand, four hundred twelve".