40025847 has 4 divisors (see below), whose sum is σ = 53367800. Its totient is φ = 26683896.

The previous prime is 40025833. The next prime is 40025861. The reversal of 40025847 is 74852004.

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

It is an interprime number because it is at equal distance from previous prime (40025833) and next prime (40025861).

It is not a de Polignac number, because 40025847 - 2¹⁶ = 39960311 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 (40025807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6670972 + ... + 6670977.

It is an arithmetic number, because the mean of its divisors is an integer number (13341950).

Almost surely, 2^40025847 is an apocalyptic number.

40025847 is a deficient number, since it is larger than the sum of its proper divisors (13341953).

40025847 is a wasteful number, since it uses less digits than its factorization.

40025847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13341952.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 40025847 is about 6326.5983751144. The cubic root of 40025847 is about 342.0688363885.

The spelling of 40025847 in words is "forty million, twenty-five thousand, eight hundred forty-seven".