40037061 has 4 divisors (see below), whose sum is σ = 53382752. Its totient is φ = 26691372.

The previous prime is 40037059. The next prime is 40037077. The reversal of 40037061 is 16073004.

40037061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40037061 - 2¹ = 40037059 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40037021) 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 3 ways as a sum of consecutive naturals, for example, 6672841 + ... + 6672846.

It is an arithmetic number, because the mean of its divisors is an integer number (13345688).

Almost surely, 2^40037061 is an apocalyptic number.

It is an amenable number.

40037061 is a deficient number, since it is larger than the sum of its proper divisors (13345691).

40037061 is a wasteful number, since it uses less digits than its factorization.

40037061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13345690.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 40037061 is about 6327.4845712969. The cubic root of 40037061 is about 342.1007790958.

The spelling of 40037061 in words is "forty million, thirty-seven thousand, sixty-one".