40024401 has 8 divisors (see below), whose sum is σ = 54501504. Its totient is φ = 26115120.

The previous prime is 40024399. The next prime is 40024421. The reversal of 40024401 is 10442004.

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

It is not a de Polignac number, because 40024401 - 2¹ = 40024399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40024421) 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, 141790 + ... + 142071.

It is an arithmetic number, because the mean of its divisors is an integer number (6812688).

Almost surely, 2^40024401 is an apocalyptic number.

It is an amenable number.

40024401 is a deficient number, since it is larger than the sum of its proper divisors (14477103).

40024401 is a wasteful number, since it uses less digits than its factorization.

40024401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283911.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40024401 is about 6326.4840946611. The cubic root of 40024401 is about 342.0647170712.

Adding to 40024401 its reverse (10442004), we get a palindrome (50466405).

The spelling of 40024401 in words is "forty million, twenty-four thousand, four hundred one".