40120234 has 64 divisors (see below), whose sum is σ = 80289792. Its totient is φ = 14572800.

The previous prime is 40120219. The next prime is 40120259. The reversal of 40120234 is 43202104.

40120234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 166354 + ... + 166594.

It is an arithmetic number, because the mean of its divisors is an integer number (1254528).

Almost surely, 2^40120234 is an apocalyptic number.

40120234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

40120234 is a wasteful number, since it uses less digits than its factorization.

40120234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40120234 is about 6334.0535204559. The cubic root of 40120234 is about 342.3375086572.

Adding to 40120234 its reverse (43202104), we get a palindrome (83322338).

The spelling of 40120234 in words is "forty million, one hundred twenty thousand, two hundred thirty-four".