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40101401 = 47983719

40101401 has 4 divisors (see below), whose sum is σ = 40185600. Its totient is φ = 40017204.

The previous prime is 40101389. The next prime is 40101409. The reversal of 40101401 is 10410104.

40101401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40101401 - 222 = 35907097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40101409) 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 3 ways as a sum of consecutive naturals, for example, 41381 + ... + 42338.

It is an arithmetic number, because the mean of its divisors is an integer number (10046400).

Almost surely, 240101401 is an apocalyptic number.

It is an amenable number.

40101401 is a deficient number, since it is larger than the sum of its proper divisors (84199).

40101401 is an equidigital number, since it uses as much as digits as its factorization.

40101401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84198.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 40101401 is about 6332.5666992145. The cubic root of 40101401 is about 342.2839342657.

Adding to 40101401 its reverse (10410104), we get a palindrome (50511505).

The spelling of 40101401 in words is "forty million, one hundred one thousand, four hundred one".

Divisors: 1 479 83719 40101401