40452101 has 12 divisors (see below), whose sum is σ = 43213632. Its totient is φ = 37846776.

The previous prime is 40452073. The next prime is 40452107. The reversal of 40452101 is 10125404.

It is not a de Polignac number, because 40452101 - 2¹⁰ = 40451077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40452101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40452107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24050 + ... + 25676.

It is an arithmetic number, because the mean of its divisors is an integer number (3601136).

Almost surely, 2^40452101 is an apocalyptic number.

It is an amenable number.

40452101 is a deficient number, since it is larger than the sum of its proper divisors (2761531).

40452101 is a wasteful number, since it uses less digits than its factorization.

40452101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 40452101 is about 6360.1966164577. The cubic root of 40452101 is about 343.2788349941.

Adding to 40452101 its reverse (10125404), we get a palindrome (50577505).

The spelling of 40452101 in words is "forty million, four hundred fifty-two thousand, one hundred one".