40647895 has 12 divisors (see below), whose sum is σ = 49543704. Its totient is φ = 32015280.

The previous prime is 40647889. The next prime is 40647961. The reversal of 40647895 is 59874604.

It is not a de Polignac number, because 40647895 - 2⁵ = 40647863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21540 + ... + 23350.

It is an arithmetic number, because the mean of its divisors is an integer number (4128642).

Almost surely, 2^40647895 is an apocalyptic number.

40647895 is a deficient number, since it is larger than the sum of its proper divisors (8895809).

40647895 is an equidigital number, since it uses as much as digits as its factorization.

40647895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 40647895 is about 6375.5701705808. The cubic root of 40647895 is about 343.8317835161.

The spelling of 40647895 in words is "forty million, six hundred forty-seven thousand, eight hundred ninety-five".