40964544 has 42 divisors (see below), whose sum is σ = 117419120. Its totient is φ = 13654656.

The previous prime is 40964527. The next prime is 40964549. The reversal of 40964544 is 44546904.

40964544 is a `hidden beast` number, since 4 + 0 + 9 + 645 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40964499 and 40964508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40964549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34984 + ... + 36135.

Almost surely, 2^40964544 is an apocalyptic number.

It is an amenable number.

40964544 is an abundant number, since it is smaller than the sum of its proper divisors (76454576).

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

40964544 is a wasteful number, since it uses less digits than its factorization.

40964544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71137 (or 71124 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 40964544 is about 6400.3549901548. The cubic root of 40964544 is about 344.7222970057.

The spelling of 40964544 in words is "forty million, nine hundred sixty-four thousand, five hundred forty-four".