4040457234 has 32 divisors (see below), whose sum is σ = 8964967680. Its totient is φ = 1203627600.

The previous prime is 4040457233. The next prime is 4040457251. The reversal of 4040457234 is 4327540404.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 4040457195 and 4040457204.

It is not an unprimeable number, because it can be changed into a prime (4040457233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514912 + ... + 522699.

It is an arithmetic number, because the mean of its divisors is an integer number (280155240).

Almost surely, 2^4040457234 is an apocalyptic number.

4040457234 is an abundant number, since it is smaller than the sum of its proper divisors (4924510446).

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

4040457234 is a wasteful number, since it uses less digits than its factorization.

4040457234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037686.

The product of its (nonzero) digits is 53760, while the sum is 33.

The square root of 4040457234 is about 63564.5910393515. The cubic root of 4040457234 is about 1592.7349306698.

Adding to 4040457234 its reverse (4327540404), we get a palindrome (8367997638).

The spelling of 4040457234 in words is "four billion, forty million, four hundred fifty-seven thousand, two hundred thirty-four".