90358216250 has 20 divisors (see below), whose sum is σ = 169367442882. Its totient is φ = 36143286000.

The previous prime is 90358216219. The next prime is 90358216307. The reversal of 90358216250 is 5261285309.

It can be written as a sum of positive squares in 5 ways, for example, as 274796929 + 90083419321 = 16577^2 + 300139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90358216198 and 90358216207.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 36142037 + ... + 36144536.

Almost surely, 2^90358216250 is an apocalyptic number.

90358216250 is a deficient number, since it is larger than the sum of its proper divisors (79009226632).

90358216250 is an equidigital number, since it uses as much as digits as its factorization.

90358216250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72286595 (or 72286580 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 90358216250 in words is "ninety billion, three hundred fifty-eight million, two hundred sixteen thousand, two hundred fifty".