404007040034 has 32 divisors (see below), whose sum is σ = 691081309296. Its totient is φ = 175479828480.

The previous prime is 404007040033. The next prime is 404007040061. The reversal of 404007040034 is 430040700404.

It can be written as a sum of positive squares in 8 ways, for example, as 266034166225 + 137972873809 = 515785^2 + 371447^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 404007039985 and 404007040012.

It is not an unprimeable number, because it can be changed into a prime (404007040033) 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, 5487104 + ... + 5560244.

Almost surely, 2^404007040034 is an apocalyptic number.

404007040034 is a deficient number, since it is larger than the sum of its proper divisors (287074269262).

404007040034 is a wasteful number, since it uses less digits than its factorization.

404007040034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85670.

The product of its (nonzero) digits is 5376, while the sum is 26.

Adding to 404007040034 its reverse (430040700404), we get a palindrome (834047740438).

The spelling of 404007040034 in words is "four hundred four billion, seven million, forty thousand, thirty-four".