5155452040 has 96 divisors (see below), whose sum is σ = 11996628120. Its totient is φ = 1993232384.

The previous prime is 5155451941. The next prime is 5155452041. The reversal of 5155452040 is 402545515.

It can be written as a sum of positive squares in 4 ways, for example, as 4386942756 + 768509284 = 66234^2 + 27722^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5155451993 and 5155452011.

It is not an unprimeable number, because it can be changed into a prime (5155452041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14604504 + ... + 14604856.

Almost surely, 2^5155452040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5155452040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5998314060).

5155452040 is an abundant number, since it is smaller than the sum of its proper divisors (6841176080).

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

5155452040 is a wasteful number, since it uses less digits than its factorization.

5155452040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5155452040 is about 71801.4765864881. The cubic root of 5155452040 is about 1727.5166838535.

Adding to 5155452040 its reverse (402545515), we get a palindrome (5557997555).

The spelling of 5155452040 in words is "five billion, one hundred fifty-five million, four hundred fifty-two thousand, forty".