40010401 has 8 divisors (see below), whose sum is σ = 43825320. Its totient is φ = 36357888.

The previous prime is 40010393. The next prime is 40010441. The reversal of 40010401 is 10401004.

It can be written as a sum of positive squares in 4 ways, for example, as 8381025 + 31629376 = 2895^2 + 5624^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40010401 - 2³ = 40010393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40010441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40086 + ... + 41071.

It is an arithmetic number, because the mean of its divisors is an integer number (5478165).

Almost surely, 2^40010401 is an apocalyptic number.

It is an amenable number.

40010401 is a deficient number, since it is larger than the sum of its proper divisors (3814919).

40010401 is a wasteful number, since it uses less digits than its factorization.

40010401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81203.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40010401 is about 6325.3775381395. The cubic root of 40010401 is about 342.0248291995.

Adding to 40010401 its reverse (10401004), we get a palindrome (50411405).

It can be divided in two parts, 400 and 10401, that added together give a palindrome (10801).

The spelling of 40010401 in words is "forty million, ten thousand, four hundred one".