40100501 has 16 divisors (see below), whose sum is σ = 49714560. Its totient is φ = 31557120.

The previous prime is 40100491. The next prime is 40100503. The reversal of 40100501 is 10500104.

40100501 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-40100501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100503) 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, 770 + ... + 8988.

It is an arithmetic number, because the mean of its divisors is an integer number (3107160).

Almost surely, 2^40100501 is an apocalyptic number.

40100501 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40100501 is a deficient number, since it is larger than the sum of its proper divisors (9614059).

40100501 is a wasteful number, since it uses less digits than its factorization.

40100501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 40100501 is about 6332.4956375824. The cubic root of 40100501 is about 342.2813736083.

Subtracting from 40100501 its sum of digits (11), we obtain a triangular number (40100490 = T₈₉₅₅).

Adding to 40100501 its reverse (10500104), we get a palindrome (50600605).

The spelling of 40100501 in words is "forty million, one hundred thousand, five hundred one".