514405404 has 60 divisors (see below), whose sum is σ = 1359943200. Its totient is φ = 169532352.

The previous prime is 514405391. The next prime is 514405427. The reversal of 514405404 is 404504415.

It is a super-2 number, since 2×514405404² = 529225839328806432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19917 + ... + 37755.

It is an arithmetic number, because the mean of its divisors is an integer number (22665720).

Almost surely, 2^514405404 is an apocalyptic number.

514405404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514405404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679971600).

514405404 is an abundant number, since it is smaller than the sum of its proper divisors (845537796).

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

514405404 is a wasteful number, since it uses less digits than its factorization.

514405404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17944 (or 17933 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 514405404 is about 22680.5071371872. The cubic root of 514405404 is about 801.2508577576.

Adding to 514405404 its reverse (404504415), we get a palindrome (918909819).

The spelling of 514405404 in words is "five hundred fourteen million, four hundred five thousand, four hundred four".