90461804948 has 24 divisors (see below), whose sum is σ = 168556852800. Its totient is φ = 42332432768.

The previous prime is 90461804947. The next prime is 90461804957. The reversal of 90461804948 is 84940816409.

It is a self number, because there is not a number n which added to its sum of digits gives 90461804948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90461804941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3703808 + ... + 3728151.

It is an arithmetic number, because the mean of its divisors is an integer number (7023202200).

Almost surely, 2^90461804948 is an apocalyptic number.

It is an amenable number.

90461804948 is a deficient number, since it is larger than the sum of its proper divisors (78095047852).

90461804948 is a wasteful number, since it uses less digits than its factorization.

90461804948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432159 (or 7432157 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 90461804948 in words is "ninety billion, four hundred sixty-one million, eight hundred four thousand, nine hundred forty-eight".