40256227 has 4 divisors (see below), whose sum is σ = 43915896. Its totient is φ = 36596560.

The previous prime is 40256201. The next prime is 40256239. The reversal of 40256227 is 72265204.

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

It is a de Polignac number, because none of the positive numbers 2^k-40256227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40256195 and 40256204.

It is not an unprimeable number, because it can be changed into a prime (40256257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829818 + ... + 1829839.

It is an arithmetic number, because the mean of its divisors is an integer number (10978974).

Almost surely, 2^40256227 is an apocalyptic number.

40256227 is a deficient number, since it is larger than the sum of its proper divisors (3659669).

40256227 is a wasteful number, since it uses less digits than its factorization.

40256227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659668.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 40256227 is about 6344.7795075952. The cubic root of 40256227 is about 342.7238723191.

The spelling of 40256227 in words is "forty million, two hundred fifty-six thousand, two hundred twenty-seven".