90250444 has 12 divisors (see below), whose sum is σ = 158043424. Its totient is φ = 45095184.

The previous prime is 90250423. The next prime is 90250483. The reversal of 90250444 is 44405209.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 13435.

Almost surely, 2^90250444 is an apocalyptic number.

It is an amenable number.

90250444 is a deficient number, since it is larger than the sum of its proper divisors (67792980).

90250444 is a wasteful number, since it uses less digits than its factorization.

90250444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15024 (or 15022 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 90250444 is about 9500.0233683923. The cubic root of 90250444 is about 448.5557715026. Note that the first 3 decimals are identical.

The spelling of 90250444 in words is "ninety million, two hundred fifty thousand, four hundred forty-four".