5155532240 has 40 divisors (see below), whose sum is σ = 12072873120. Its totient is φ = 2047372416.

The previous prime is 5155532231. The next prime is 5155532269. The reversal of 5155532240 is 422355515.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 5155532197 and 5155532206.

It is a congruent number.

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, 220694 + ... + 242933.

It is an arithmetic number, because the mean of its divisors is an integer number (301821828).

Almost surely, 2^5155532240 is an apocalyptic number.

It is an amenable number.

5155532240 is an abundant number, since it is smaller than the sum of its proper divisors (6917340880).

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

5155532240 is a wasteful number, since it uses less digits than its factorization.

5155532240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463779 (or 463773 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 5155532240 is about 71802.0350686525. The cubic root of 5155532240 is about 1727.5256417566.

Adding to 5155532240 its reverse (422355515), we get a palindrome (5577887755).

The spelling of 5155532240 in words is "five billion, one hundred fifty-five million, five hundred thirty-two thousand, two hundred forty".