40041234 has 12 divisors (see below), whose sum is σ = 86756046. Its totient is φ = 13347072.

The previous prime is 40041233. The next prime is 40041241. The reversal of 40041234 is 43214004.

40041234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30769209 + 9272025 = 5547^2 + 3045^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2224513 = 40041234 / (4 + 0 + 0 + 4 + 1 + 2 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (40041233) 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 5 ways as a sum of consecutive naturals, for example, 1112239 + ... + 1112274.

Almost surely, 2^40041234 is an apocalyptic number.

40041234 is an abundant number, since it is smaller than the sum of its proper divisors (46714812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40041234 is a wasteful number, since it uses less digits than its factorization.

40041234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224521 (or 2224518 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40041234 is about 6327.8143145955. The cubic root of 40041234 is about 342.1126642252.

Adding to 40041234 its reverse (43214004), we get a palindrome (83255238).

The spelling of 40041234 in words is "forty million, forty-one thousand, two hundred thirty-four".