90040548 has 48 divisors (see below), whose sum is σ = 227708096. Its totient is φ = 27527040.

The previous prime is 90040529. The next prime is 90040553. The reversal of 90040548 is 84504009.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23658 + ... + 27198.

Almost surely, 2^90040548 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 90040548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113854048).

90040548 is an abundant number, since it is smaller than the sum of its proper divisors (137667548).

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

90040548 is a wasteful number, since it uses less digits than its factorization.

90040548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724 (or 3722 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 90040548 is about 9488.9698070971. The cubic root of 90040548 is about 448.2077652918.

The spelling of 90040548 in words is "ninety million, forty thousand, five hundred forty-eight".