40016801 has 4 divisors (see below), whose sum is σ = 43654704. Its totient is φ = 36378900.

The previous prime is 40016777. The next prime is 40016833. The reversal of 40016801 is 10861004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40016801 - 2¹⁴ = 40000417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40016891) 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, 1818935 + ... + 1818956.

It is an arithmetic number, because the mean of its divisors is an integer number (10913676).

Almost surely, 2^40016801 is an apocalyptic number.

It is an amenable number.

40016801 is a deficient number, since it is larger than the sum of its proper divisors (3637903).

40016801 is a wasteful number, since it uses less digits than its factorization.

40016801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637902.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 40016801 is about 6325.8834165672. The cubic root of 40016801 is about 342.0430648095.

Adding to 40016801 its reverse (10861004), we get a palindrome (50877805).

The spelling of 40016801 in words is "forty million, sixteen thousand, eight hundred one".