90432340422 has 16 divisors (see below), whose sum is σ = 184277222640. Its totient is φ = 29575356512.

The previous prime is 90432340421. The next prime is 90432340513. The reversal of 90432340422 is 22404323409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90432340421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142188897 + ... + 142189532.

It is an arithmetic number, because the mean of its divisors is an integer number (11517326415).

Almost surely, 2^90432340422 is an apocalyptic number.

90432340422 is an abundant number, since it is smaller than the sum of its proper divisors (93844882218).

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

90432340422 is a wasteful number, since it uses less digits than its factorization.

90432340422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284378487.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 90432340422 in words is "ninety billion, four hundred thirty-two million, three hundred forty thousand, four hundred twenty-two".