40037434 has 16 divisors (see below), whose sum is σ = 63531072. Its totient is φ = 18884448.

The previous prime is 40037423. The next prime is 40037449. The reversal of 40037434 is 43473004.

40037434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40037434² = 3205992242608712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40037399 and 40037408.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2604 + ... + 9319.

It is an arithmetic number, because the mean of its divisors is an integer number (3970692).

Almost surely, 2^40037434 is an apocalyptic number.

40037434 is a deficient number, since it is larger than the sum of its proper divisors (23493638).

40037434 is a wasteful number, since it uses less digits than its factorization.

40037434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 40037434 is about 6327.5140458161. The cubic root of 40037434 is about 342.1018414714.

The spelling of 40037434 in words is "forty million, thirty-seven thousand, four hundred thirty-four".