404010433240 has 16 divisors (see below), whose sum is σ = 909023474880. Its totient is φ = 161604173280.

The previous prime is 404010433147. The next prime is 404010433249. The reversal of 404010433240 is 42334010404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404010433249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050130376 + ... + 5050130455.

It is an arithmetic number, because the mean of its divisors is an integer number (56813967180).

Almost surely, 2^404010433240 is an apocalyptic number.

404010433240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404010433240 is an abundant number, since it is smaller than the sum of its proper divisors (505013041640).

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

404010433240 is a wasteful number, since it uses less digits than its factorization.

404010433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100260842 (or 10100260838 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 404010433240 its reverse (42334010404), we get a palindrome (446344443644).

The spelling of 404010433240 in words is "four hundred four billion, ten million, four hundred thirty-three thousand, two hundred forty".