40281150 has 144 divisors (see below), whose sum is σ = 124170624. Its totient is φ = 8461440.

The previous prime is 40281139. The next prime is 40281161. The reversal of 40281150 is 5118204.

40281150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40281139) and next prime (40281161).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 177337 + ... + 177563.

It is an arithmetic number, because the mean of its divisors is an integer number (862296).

Almost surely, 2^40281150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40281150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62085312).

40281150 is an abundant number, since it is smaller than the sum of its proper divisors (83889474).

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

40281150 is a wasteful number, since it uses less digits than its factorization.

40281150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 40281150 is about 6346.7432593418. The cubic root of 40281150 is about 342.7945855608.

Adding to 40281150 its reverse (5118204), we get a palindrome (45399354).

The spelling of 40281150 in words is "forty million, two hundred eighty-one thousand, one hundred fifty".