40047275 has 12 divisors (see below), whose sum is σ = 49846512. Its totient is φ = 31916640.

The previous prime is 40047247. The next prime is 40047281. The reversal of 40047275 is 57274004.

It is not a de Polignac number, because 40047275 - 2²⁰ = 38998699 is a prime.

It is a Duffinian 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, 4034 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (4153876).

Almost surely, 2^40047275 is an apocalyptic number.

40047275 is a deficient number, since it is larger than the sum of its proper divisors (9799237).

40047275 is a wasteful number, since it uses less digits than its factorization.

40047275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070 (or 6065 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 40047275 is about 6328.2916336086. The cubic root of 40047275 is about 342.1298681462.

The spelling of 40047275 in words is "forty million, forty-seven thousand, two hundred seventy-five".