5155515040 has 192 divisors, whose sum is σ = 13465388160. Its totient is φ = 1853706240.

The previous prime is 5155515031. The next prime is 5155515061. The reversal of 5155515040 is 405155515.

It is a junction number, because it is equal to n+sod(n) for n = 5155514993 and 5155515011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22711407 + ... + 22711633.

It is an arithmetic number, because the mean of its divisors is an integer number (70132230).

Almost surely, 2^5155515040 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 5155515040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6732694080).

5155515040 is an abundant number, since it is smaller than the sum of its proper divisors (8309873120).

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

5155515040 is a wasteful number, since it uses less digits than its factorization.

5155515040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 5155515040 is about 71801.9152947886. The cubic root of 5155515040 is about 1727.5237206182.

The spelling of 5155515040 in words is "five billion, one hundred fifty-five million, five hundred fifteen thousand, forty".