40056037 has 4 divisors (see below), whose sum is σ = 45778336. Its totient is φ = 34333740.

The previous prime is 40056031. The next prime is 40056067. The reversal of 40056037 is 73065004.

40056037 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 40056037 - 2⁷ = 40055909 is a prime.

It is a super-2 number, since 2×40056037² = 3208972200290738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40056031) 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, 2861139 + ... + 2861152.

It is an arithmetic number, because the mean of its divisors is an integer number (11444584).

Almost surely, 2^40056037 is an apocalyptic number.

It is an amenable number.

40056037 is a deficient number, since it is larger than the sum of its proper divisors (5722299).

40056037 is an equidigital number, since it uses as much as digits as its factorization.

40056037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722298.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 40056037 is about 6328.9838836894. The cubic root of 40056037 is about 342.1548180195.

The spelling of 40056037 in words is "forty million, fifty-six thousand, thirty-seven".