40724101 has 16 divisors (see below), whose sum is σ = 45619200. Its totient is φ = 36041200.

The previous prime is 40724077. The next prime is 40724113. The reversal of 40724101 is 10142704.

40724101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40724101 - 2⁵ = 40724069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40724171) 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, 84780 + ... + 85258.

It is an arithmetic number, because the mean of its divisors is an integer number (2851200).

Almost surely, 2^40724101 is an apocalyptic number.

It is an amenable number.

40724101 is a deficient number, since it is larger than the sum of its proper divisors (4895099).

40724101 is a wasteful number, since it uses less digits than its factorization.

40724101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 40724101 is about 6381.5437787419. The cubic root of 40724101 is about 344.0465194210.

Adding to 40724101 its reverse (10142704), we get a palindrome (50866805).

The spelling of 40724101 in words is "forty million, seven hundred twenty-four thousand, one hundred one".