2548512918 has 48 divisors (see below), whose sum is σ = 6332990976. Its totient is φ = 725563440.

The previous prime is 2548512871. The next prime is 2548512929. The reversal of 2548512918 is 8192158452.

2548512918 is a `hidden beast` number, since 2 + 5 + 48 + 512 + 91 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78 + ... + 71393.

It is an arithmetic number, because the mean of its divisors is an integer number (131937312).

Almost surely, 2^2548512918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2548512918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3166495488).

2548512918 is an abundant number, since it is smaller than the sum of its proper divisors (3784478058).

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

2548512918 is a wasteful number, since it uses less digits than its factorization.

2548512918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71769 (or 71766 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 2548512918 is about 50482.7982386080. The cubic root of 2548512918 is about 1365.9315815981.

The spelling of 2548512918 in words is "two billion, five hundred forty-eight million, five hundred twelve thousand, nine hundred eighteen".