40864347 has 12 divisors (see below), whose sum is σ = 59094360. Its totient is φ = 27211488.

The previous prime is 40864337. The next prime is 40864429. The reversal of 40864347 is 74346804.

40864347 is a `hidden beast` number, since 4 + 0 + 8 + 643 + 4 + 7 = 666.

It is not a de Polignac number, because 40864347 - 2⁸ = 40864091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40864337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7804 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (4924530).

Almost surely, 2^40864347 is an apocalyptic number.

40864347 is a deficient number, since it is larger than the sum of its proper divisors (18230013).

40864347 is a wasteful number, since it uses less digits than its factorization.

40864347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 40864347 is about 6392.5227414535. The cubic root of 40864347 is about 344.4410103446.

The spelling of 40864347 in words is "forty million, eight hundred sixty-four thousand, three hundred forty-seven".