40659001 has 4 divisors (see below), whose sum is σ = 41325604. Its totient is φ = 39992400.

The previous prime is 40658987. The next prime is 40659043. The reversal of 40659001 is 10095604.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1157776 + 39501225 = 1076^2 + 6285^2 .

It is a cyclic number.

It is not a de Polignac number, because 40659001 - 2⁷ = 40658873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40659061) 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, 333210 + ... + 333331.

It is an arithmetic number, because the mean of its divisors is an integer number (10331401).

Almost surely, 2^40659001 is an apocalyptic number.

It is an amenable number.

40659001 is a deficient number, since it is larger than the sum of its proper divisors (666603).

40659001 is an equidigital number, since it uses as much as digits as its factorization.

40659001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666602.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 40659001 is about 6376.4410920199. The cubic root of 40659001 is about 343.8630950847.

The spelling of 40659001 in words is "forty million, six hundred fifty-nine thousand, one".