40425147 has 36 divisors (see below), whose sum is σ = 70140096. Its totient is φ = 22347360.

The previous prime is 40425113. The next prime is 40425163. The reversal of 40425147 is 74152404.

40425147 is a `hidden beast` number, since 404 + 251 + 4 + 7 = 666.

It is not a de Polignac number, because 40425147 - 2¹⁰ = 40424123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40425147.

It is not an unprimeable number, because it can be changed into a prime (40425107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12193 + ... + 15149.

It is an arithmetic number, because the mean of its divisors is an integer number (1948336).

Almost surely, 2^40425147 is an apocalyptic number.

40425147 is a deficient number, since it is larger than the sum of its proper divisors (29714949).

40425147 is a wasteful number, since it uses less digits than its factorization.

40425147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008 (or 2998 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 40425147 is about 6358.0773037138. The cubic root of 40425147 is about 343.2025736599.

The spelling of 40425147 in words is "forty million, four hundred twenty-five thousand, one hundred forty-seven".