90300404202650 has 48 divisors (see below), whose sum is σ = 175263652497600. Its totient is φ = 34549257346560.

The previous prime is 90300404202523. The next prime is 90300404202683. The reversal of 90300404202650 is 5620240400309.

It is a self number, because there is not a number n which added to its sum of digits gives 90300404202650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92583221 + ... + 93553479.

It is an arithmetic number, because the mean of its divisors is an integer number (3651326093700).

Almost surely, 2^{90300404202650} is an apocalyptic number.

90300404202650 is a deficient number, since it is larger than the sum of its proper divisors (84963248294950).

90300404202650 is a wasteful number, since it uses less digits than its factorization.

90300404202650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051223 (or 1051218 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 90300404202650 its reverse (5620240400309), we get a palindrome (95920644602959).

The spelling of 90300404202650 in words is "ninety trillion, three hundred billion, four hundred four million, two hundred two thousand, six hundred fifty".