2518313940 has 72 divisors (see below), whose sum is σ = 7645397760. Its totient is φ = 670977984.

The previous prime is 2518313929. The next prime is 2518313951. The reversal of 2518313940 is 493138152.

2518313940 is a `hidden beast` number, since 2 + 518 + 3 + 139 + 4 + 0 = 666.

2518313940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2518313929) and next prime (2518313951).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2518313895 and 2518313904.

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, 232117 + ... + 242723.

It is an arithmetic number, because the mean of its divisors is an integer number (106186080).

Almost surely, 2^2518313940 is an apocalyptic number.

2518313940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2518313940 is an abundant number, since it is smaller than the sum of its proper divisors (5127083820).

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

2518313940 is a wasteful number, since it uses less digits than its factorization.

2518313940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11941 (or 11936 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2518313940 is about 50182.8052225062. The cubic root of 2518313940 is about 1360.5148605701.

The spelling of 2518313940 in words is "two billion, five hundred eighteen million, three hundred thirteen thousand, nine hundred forty".