40982647 has 4 divisors (see below), whose sum is σ = 41114736. Its totient is φ = 40850560.

The previous prime is 40982611. The next prime is 40982653. The reversal of 40982647 is 74628904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40982647 - 2²³ = 32594039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40982687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65578 + ... + 66199.

It is an arithmetic number, because the mean of its divisors is an integer number (10278684).

Almost surely, 2^40982647 is an apocalyptic number.

40982647 is a deficient number, since it is larger than the sum of its proper divisors (132089).

40982647 is a wasteful number, since it uses less digits than its factorization.

40982647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132088.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 40982647 is about 6401.7690523792. The cubic root of 40982647 is about 344.7730692760.

The spelling of 40982647 in words is "forty million, nine hundred eighty-two thousand, six hundred forty-seven".