40201101 has 6 divisors (see below), whose sum is σ = 58068270. Its totient is φ = 26800728.

The previous prime is 40201099. The next prime is 40201103. The reversal of 40201101 is 10110204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40201099) and next prime (40201103).

It can be written as a sum of positive squares in only one way, i.e., 37527876 + 2673225 = 6126^2 + 1635^2 .

It is not a de Polignac number, because 40201101 - 2¹ = 40201099 is a prime.

It is a super-2 number, since 2×40201101² = 3232257043224402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 4466789 = 40201101 / (4 + 0 + 2 + 0 + 1 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40201103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2233386 + ... + 2233403.

It is an arithmetic number, because the mean of its divisors is an integer number (9678045).

Almost surely, 2^40201101 is an apocalyptic number.

It is an amenable number.

40201101 is a deficient number, since it is larger than the sum of its proper divisors (17867169).

40201101 is a wasteful number, since it uses less digits than its factorization.

40201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466795 (or 4466792 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 40201101 is about 6340.4338179655. The cubic root of 40201101 is about 342.5673613224.

Adding to 40201101 its reverse (10110204), we get a palindrome (50311305).

The spelling of 40201101 in words is "forty million, two hundred one thousand, one hundred one".