40427001 has 12 divisors (see below), whose sum is σ = 58659328. Its totient is φ = 26829144.

The previous prime is 40426979. The next prime is 40427011. The reversal of 40427001 is 10072404.

It is a happy number.

It is not a de Polignac number, because 40427001 - 2⁶ = 40426937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40427011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8065 + ... + 12078.

Almost surely, 2^40427001 is an apocalyptic number.

It is an amenable number.

40427001 is a deficient number, since it is larger than the sum of its proper divisors (18232327).

40427001 is a wasteful number, since it uses less digits than its factorization.

40427001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20372 (or 20369 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 40427001 is about 6358.2231008356. The cubic root of 40427001 is about 343.2078202939.

Adding to 40427001 its reverse (10072404), we get a palindrome (50499405).

The spelling of 40427001 in words is "forty million, four hundred twenty-seven thousand, one".