90641846050 has 24 divisors (see below), whose sum is σ = 192678667776. Its totient is φ = 31077204240.

The previous prime is 90641846039. The next prime is 90641846081. The reversal of 90641846050 is 5064814609.

It is a junction number, because it is equal to n+sod(n) for n = 90641845988 and 90641846006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129488002 + ... + 129488701.

It is an arithmetic number, because the mean of its divisors is an integer number (8028277824).

Almost surely, 2^90641846050 is an apocalyptic number.

90641846050 is an abundant number, since it is smaller than the sum of its proper divisors (102036821726).

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

90641846050 is a wasteful number, since it uses less digits than its factorization.

90641846050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258976722 (or 258976717 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 90641846050 in words is "ninety billion, six hundred forty-one million, eight hundred forty-six thousand, fifty".