40010273 has 4 divisors (see below), whose sum is σ = 40177920. Its totient is φ = 39842628.

The previous prime is 40010263. The next prime is 40010279. The reversal of 40010273 is 37201004.

It is a happy number.

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 40010273 - 2¹⁸ = 39748129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40010279) 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, 83465 + ... + 83942.

It is an arithmetic number, because the mean of its divisors is an integer number (10044480).

Almost surely, 2^40010273 is an apocalyptic number.

It is an amenable number.

40010273 is a deficient number, since it is larger than the sum of its proper divisors (167647).

40010273 is a wasteful number, since it uses less digits than its factorization.

40010273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167646.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 40010273 is about 6325.3674201583. The cubic root of 40010273 is about 342.0244644675.

Adding to 40010273 its reverse (37201004), we get a palindrome (77211277).

The spelling of 40010273 in words is "forty million, ten thousand, two hundred seventy-three".