5121404432 has 40 divisors (see below), whose sum is σ = 10199703576. Its totient is φ = 2489342976.

The previous prime is 5121404399. The next prime is 5121404473. The reversal of 5121404432 is 2344041215.

It can be written as a sum of positive squares in 4 ways, for example, as 1811013136 + 3310391296 = 42556^2 + 57536^2 .

It is a super-2 number, since 2×5121404432² = 52457566712218485248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845318 + ... + 851354.

Almost surely, 2^5121404432 is an apocalyptic number.

It is an amenable number.

5121404432 is a deficient number, since it is larger than the sum of its proper divisors (5078299144).

5121404432 is a wasteful number, since it uses less digits than its factorization.

5121404432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515 (or 7509 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 5121404432 is about 71563.9883740419. The cubic root of 5121404432 is about 1723.7053291299.

Adding to 5121404432 its reverse (2344041215), we get a palindrome (7465445647).

The spelling of 5121404432 in words is "five billion, one hundred twenty-one million, four hundred four thousand, four hundred thirty-two".