90440046 has 24 divisors (see below), whose sum is σ = 197897544. Its totient is φ = 29847600.

The previous prime is 90440041. The next prime is 90440047. The reversal of 90440046 is 64004409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90440041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23056 + ... + 26691.

It is an arithmetic number, because the mean of its divisors is an integer number (8245731).

Almost surely, 2^90440046 is an apocalyptic number.

90440046 is an abundant number, since it is smaller than the sum of its proper divisors (107457498).

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

90440046 is a wasteful number, since it uses less digits than its factorization.

90440046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49856 (or 49853 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 90440046 is about 9509.9971608829. The cubic root of 90440046 is about 448.8696668520.

The spelling of 90440046 in words is "ninety million, four hundred forty thousand, forty-six".