90428409006 has 16 divisors (see below), whose sum is σ = 194768881104. Its totient is φ = 27824125824.

The previous prime is 90428408999. The next prime is 90428409007. The reversal of 90428409006 is 60090482409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90428409007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579669211 + ... + 579669366.

It is an arithmetic number, because the mean of its divisors is an integer number (12173055069).

Almost surely, 2^90428409006 is an apocalyptic number.

90428409006 is an abundant number, since it is smaller than the sum of its proper divisors (104340472098).

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

90428409006 is a wasteful number, since it uses less digits than its factorization.

90428409006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159338595.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 90428409006 in words is "ninety billion, four hundred twenty-eight million, four hundred nine thousand, six".