90441260 has 144 divisors (see below), whose sum is σ = 246677760. Its totient is φ = 27578880.

The previous prime is 90441259. The next prime is 90441269. The reversal of 90441260 is 6214409.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (90441269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394826 + ... + 395054.

It is an arithmetic number, because the mean of its divisors is an integer number (1713040).

Almost surely, 2^90441260 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 90441260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123338880).

90441260 is an abundant number, since it is smaller than the sum of its proper divisors (156236500).

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

90441260 is a wasteful number, since it uses less digits than its factorization.

90441260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 90441260 is about 9510.0609882377. The cubic root of 90441260 is about 448.8716752740.

Adding to 90441260 its reverse (6214409), we get a palindrome (96655669).

The spelling of 90441260 in words is "ninety million, four hundred forty-one thousand, two hundred sixty".