40027104 has 72 divisors (see below), whose sum is σ = 122594472. Its totient is φ = 12314880.

The previous prime is 40027103. The next prime is 40027121. The reversal of 40027104 is 40172004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40027103) 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 11 ways as a sum of consecutive naturals, for example, 1602 + ... + 9089.

It is an arithmetic number, because the mean of its divisors is an integer number (1702701).

Almost surely, 2^40027104 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 40027104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61297236).

40027104 is an abundant number, since it is smaller than the sum of its proper divisors (82567368).

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

40027104 is a wasteful number, since it uses less digits than its factorization.

40027104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10720 (or 10709 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 40027104 is about 6326.6977168188. The cubic root of 40027104 is about 342.0724172082.

Adding to 40027104 its reverse (40172004), we get a palindrome (80199108).

The spelling of 40027104 in words is "forty million, twenty-seven thousand, one hundred four".