40354001 has 4 divisors (see below), whose sum is σ = 41015604. Its totient is φ = 39692400.

The previous prime is 40353991. The next prime is 40354003. The reversal of 40354001 is 10045304.

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 8994001 + 31360000 = 2999^2 + 5600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40354001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40354003) 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, 330710 + ... + 330831.

It is an arithmetic number, because the mean of its divisors is an integer number (10253901).

Almost surely, 2^40354001 is an apocalyptic number.

It is an amenable number.

40354001 is a deficient number, since it is larger than the sum of its proper divisors (661603).

40354001 is an equidigital number, since it uses as much as digits as its factorization.

40354001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661602.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40354001 is about 6352.4799094527. The cubic root of 40354001 is about 343.0011163113.

Adding to 40354001 its reverse (10045304), we get a palindrome (50399305).

The spelling of 40354001 in words is "forty million, three hundred fifty-four thousand, one".