40510801 has 4 divisors (see below), whose sum is σ = 40590900. Its totient is φ = 40430704.

The previous prime is 40510783. The next prime is 40510807. The reversal of 40510801 is 10801504.

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 21150801 + 19360000 = 4599^2 + 4400^2 .

It is a cyclic number.

It is not a de Polignac number, because 40510801 - 2¹¹ = 40508753 is a prime.

It is a super-2 number, since 2×40510801² = 3282249995323202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40510807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39286 + ... + 40303.

It is an arithmetic number, because the mean of its divisors is an integer number (10147725).

Almost surely, 2^40510801 is an apocalyptic number.

It is an amenable number.

40510801 is a deficient number, since it is larger than the sum of its proper divisors (80099).

40510801 is an equidigital number, since it uses as much as digits as its factorization.

40510801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80098.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 40510801 is about 6364.8095808123. The cubic root of 40510801 is about 343.4447985921. Note that the first 3 decimals are identical.

The spelling of 40510801 in words is "forty million, five hundred ten thousand, eight hundred one".