40350401 has 16 divisors (see below), whose sum is σ = 52585344. Its totient is φ = 30046464.

The previous prime is 40350377. The next prime is 40350403. The reversal of 40350401 is 10405304.

40350401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40350401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 40350401.

It is not an unprimeable number, because it can be changed into a prime (40350403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11495 + ... + 14588.

It is an arithmetic number, because the mean of its divisors is an integer number (3286584).

Almost surely, 2^40350401 is an apocalyptic number.

It is an amenable number.

40350401 is a deficient number, since it is larger than the sum of its proper divisors (12234943).

40350401 is a wasteful number, since it uses less digits than its factorization.

40350401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26120.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40350401 is about 6352.1965492261. The cubic root of 40350401 is about 342.9909162426.

Adding to 40350401 its reverse (10405304), we get a palindrome (50755705).

The spelling of 40350401 in words is "forty million, three hundred fifty thousand, four hundred one".