5155432240 has 80 divisors (see below), whose sum is σ = 14504553792. Its totient is φ = 1663598592.

The previous prime is 5155432237. The next prime is 5155432253. The reversal of 5155432240 is 422345515.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261249 + ... + 280288.

Almost surely, 2^5155432240 is an apocalyptic number.

It is an amenable number.

5155432240 is an abundant number, since it is smaller than the sum of its proper divisors (9349121552).

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

5155432240 is a wasteful number, since it uses less digits than its factorization.

5155432240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541574 (or 541568 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5155432240 is about 71801.3387061829. The cubic root of 5155432240 is about 1727.5144722871.

Adding to 5155432240 its reverse (422345515), we get a palindrome (5577777755).

The spelling of 5155432240 in words is "five billion, one hundred fifty-five million, four hundred thirty-two thousand, two hundred forty".