2818525940 has 12 divisors (see below), whose sum is σ = 5918904516. Its totient is φ = 1127410368.

The previous prime is 2818525903. The next prime is 2818525951. The reversal of 2818525940 is 495258182.

It can be written as a sum of positive squares in 2 ways, for example, as 850538896 + 1967987044 = 29164^2 + 44362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2818525891 and 2818525900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70463129 + ... + 70463168.

It is an arithmetic number, because the mean of its divisors is an integer number (493242043).

Almost surely, 2^2818525940 is an apocalyptic number.

2818525940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2818525940 is an abundant number, since it is smaller than the sum of its proper divisors (3100378576).

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

2818525940 is a wasteful number, since it uses less digits than its factorization.

2818525940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140926306 (or 140926304 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 2818525940 is about 53089.7912973860. The cubic root of 2818525940 is about 1412.5614356029.

The spelling of 2818525940 in words is "two billion, eight hundred eighteen million, five hundred twenty-five thousand, nine hundred forty".