90850345452 has 36 divisors (see below), whose sum is σ = 229960308760. Its totient is φ = 30242460672.

The previous prime is 90850345423. The next prime is 90850345459. The reversal of 90850345452 is 25454305809.

90850345452 is a `hidden beast` number, since 90 + 8 + 503 + 4 + 5 + 4 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 90850345398 and 90850345407.

It is not an unprimeable number, because it can be changed into a prime (90850345459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1680853 + ... + 1734060.

Almost surely, 2^90850345452 is an apocalyptic number.

It is an amenable number.

90850345452 is an abundant number, since it is smaller than the sum of its proper divisors (139109963308).

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

90850345452 is a wasteful number, since it uses less digits than its factorization.

90850345452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415662 (or 3415657 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 90850345452 in words is "ninety billion, eight hundred fifty million, three hundred forty-five thousand, four hundred fifty-two".