42134436090 has 32 divisors (see below), whose sum is σ = 112358496960. Its totient is φ = 11235849552.

The previous prime is 42134436073. The next prime is 42134436103. The reversal of 42134436090 is 9063443124.

It is a happy number.

42134436090 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 4 + 43 + 609 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78026464 + ... + 78027003.

It is an arithmetic number, because the mean of its divisors is an integer number (3511203030).

Almost surely, 2^42134436090 is an apocalyptic number.

42134436090 is an abundant number, since it is smaller than the sum of its proper divisors (70224060870).

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

42134436090 is a wasteful number, since it uses less digits than its factorization.

42134436090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156053483 (or 156053477 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 42134436090 in words is "forty-two billion, one hundred thirty-four million, four hundred thirty-six thousand, ninety".