40964427 has 16 divisors (see below), whose sum is σ = 69358080. Its totient is φ = 23408136.

The previous prime is 40964419. The next prime is 40964447. The reversal of 40964427 is 72446904.

40964427 is a `hidden beast` number, since 4 + 0 + 9 + 644 + 2 + 7 = 666.

It is not a de Polignac number, because 40964427 - 2³ = 40964419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40964391 and 40964400.

It is not an unprimeable number, because it can be changed into a prime (40964447) 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, 108183 + ... + 108560.

It is an arithmetic number, because the mean of its divisors is an integer number (4334880).

Almost surely, 2^40964427 is an apocalyptic number.

40964427 is a deficient number, since it is larger than the sum of its proper divisors (28393653).

40964427 is a wasteful number, since it uses less digits than its factorization.

40964427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216759 (or 216753 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 40964427 is about 6400.3458500303. The cubic root of 40964427 is about 344.7219688150.

The spelling of 40964427 in words is "forty million, nine hundred sixty-four thousand, four hundred twenty-seven".