40933144 has 128 divisors (see below), whose sum is σ = 102297600. Its totient is φ = 14929920.

The previous prime is 40933141. The next prime is 40933153. The reversal of 40933144 is 44133904.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40933141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560692 + ... + 560764.

It is an arithmetic number, because the mean of its divisors is an integer number (799200).

Almost surely, 2^40933144 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 40933144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51148800).

40933144 is an abundant number, since it is smaller than the sum of its proper divisors (61364456).

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

40933144 is a wasteful number, since it uses less digits than its factorization.

40933144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 40933144 is about 6397.9015309709. The cubic root of 40933144 is about 344.6341960456.

The spelling of 40933144 in words is "forty million, nine hundred thirty-three thousand, one hundred forty-four".