40604544 has 128 divisors (see below), whose sum is σ = 124032000. Its totient is φ = 13063680.

The previous prime is 40604537. The next prime is 40604549. The reversal of 40604544 is 44540604.

40604544 is a `hidden beast` number, since 4 + 0 + 604 + 54 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40604549) 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 15 ways as a sum of consecutive naturals, for example, 106947 + ... + 107325.

It is an arithmetic number, because the mean of its divisors is an integer number (969000).

Almost surely, 2^40604544 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 40604544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62016000).

40604544 is an abundant number, since it is smaller than the sum of its proper divisors (83427456).

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

40604544 is a wasteful number, since it uses less digits than its factorization.

40604544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 40604544 is about 6372.1694892713. The cubic root of 40604544 is about 343.7095077813.

The spelling of 40604544 in words is "forty million, six hundred four thousand, five hundred forty-four".