40045627 has 4 divisors (see below), whose sum is σ = 40117320. Its totient is φ = 39973936.

The previous prime is 40045589. The next prime is 40045631. The reversal of 40045627 is 72654004.

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

It is a cyclic number.

It is not a de Polignac number, because 40045627 - 2¹⁵ = 40012859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40045595 and 40045604.

It is not an unprimeable number, because it can be changed into a prime (40045637) 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, 35002 + ... + 36127.

It is an arithmetic number, because the mean of its divisors is an integer number (10029330).

Almost surely, 2^40045627 is an apocalyptic number.

40045627 is a deficient number, since it is larger than the sum of its proper divisors (71693).

40045627 is an equidigital number, since it uses as much as digits as its factorization.

40045627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71692.

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

The square root of 40045627 is about 6328.1614233520. The cubic root of 40045627 is about 342.1251750449.

The spelling of 40045627 in words is "forty million, forty-five thousand, six hundred twenty-seven".