40240101 has 16 divisors (see below), whose sum is σ = 58863168. Its totient is φ = 24249600.

The previous prime is 40240093. The next prime is 40240129. The reversal of 40240101 is 10104204.

It is not a de Polignac number, because 40240101 - 2³ = 40240093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605 + ... + 9341.

It is an arithmetic number, because the mean of its divisors is an integer number (3678948).

Almost surely, 2^40240101 is an apocalyptic number.

It is an amenable number.

40240101 is a deficient number, since it is larger than the sum of its proper divisors (18623067).

40240101 is a wasteful number, since it uses less digits than its factorization.

40240101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40240101 is about 6343.5085717606. The cubic root of 40240101 is about 342.6781029751.

Adding to 40240101 its reverse (10104204), we get a palindrome (50344305).

The spelling of 40240101 in words is "forty million, two hundred forty thousand, one hundred one".