90418944 has 216 divisors, whose sum is σ = 304474240. Its totient is φ = 23316480.

The previous prime is 90418919. The next prime is 90418949. The reversal of 90418944 is 44981409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90418949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 650427 + ... + 650565.

Almost surely, 2^90418944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90418944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152237120).

90418944 is an abundant number, since it is smaller than the sum of its proper divisors (214055296).

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

90418944 is a wasteful number, since it uses less digits than its factorization.

90418944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 90418944 is about 9508.8876321050. The cubic root of 90418944 is about 448.8347531719.

The spelling of 90418944 in words is "ninety million, four hundred eighteen thousand, nine hundred forty-four".