40054401 has 6 divisors (see below), whose sum is σ = 57856370. Its totient is φ = 26702928.

The previous prime is 40054373. The next prime is 40054433. The reversal of 40054401 is 10445004.

It can be written as a sum of positive squares in only one way, i.e., 29322225 + 10732176 = 5415^2 + 3276^2 .

It is not a de Polignac number, because 40054401 - 2⁹ = 40053889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40054471) 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 5 ways as a sum of consecutive naturals, for example, 2225236 + ... + 2225253.

Almost surely, 2^40054401 is an apocalyptic number.

It is an amenable number.

40054401 is a deficient number, since it is larger than the sum of its proper divisors (17801969).

40054401 is a wasteful number, since it uses less digits than its factorization.

40054401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450495 (or 4450492 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40054401 is about 6328.8546357141. The cubic root of 40054401 is about 342.1501597711.

Adding to 40054401 its reverse (10445004), we get a palindrome (50499405).

The spelling of 40054401 in words is "forty million, fifty-four thousand, four hundred one".