40623147 has 16 divisors (see below), whose sum is σ = 61032960. Its totient is φ = 26699400.

The previous prime is 40623137. The next prime is 40623179. The reversal of 40623147 is 74132604.

It is not a de Polignac number, because 40623147 - 2⁷ = 40623019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40623147.

It is not an unprimeable number, because it can be changed into a prime (40623127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8679 + ... + 12512.

It is an arithmetic number, because the mean of its divisors is an integer number (3814560).

Almost surely, 2^40623147 is an apocalyptic number.

40623147 is a deficient number, since it is larger than the sum of its proper divisors (20409813).

40623147 is a wasteful number, since it uses less digits than its factorization.

40623147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21271 (or 21265 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40623147 is about 6373.6290290540. The cubic root of 40623147 is about 343.7619900170.

The spelling of 40623147 in words is "forty million, six hundred twenty-three thousand, one hundred forty-seven".