2518239948 has 72 divisors (see below), whose sum is σ = 6859997424. Its totient is φ = 716889600.

The previous prime is 2518239923. The next prime is 2518239953. The reversal of 2518239948 is 8499328152.

It is a super-3 number, since 3×2518239948³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2518239948.

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, 157608 + ... + 172848.

It is an arithmetic number, because the mean of its divisors is an integer number (95277742).

Almost surely, 2^2518239948 is an apocalyptic number.

2518239948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2518239948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3429998712).

2518239948 is an abundant number, since it is smaller than the sum of its proper divisors (4341757476).

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

2518239948 is a wasteful number, since it uses less digits than its factorization.

2518239948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15543 (or 15534 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 2518239948 is about 50182.0679924612. The cubic root of 2518239948 is about 1360.5015357552.

The spelling of 2518239948 in words is "two billion, five hundred eighteen million, two hundred thirty-nine thousand, nine hundred forty-eight".