2538369820 has 48 divisors (see below), whose sum is σ = 6191978688. Its totient is φ = 856028160.

The previous prime is 2538369787. The next prime is 2538369829. The reversal of 2538369820 is 289638352.

2538369820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538369829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140077 + ... + 157156.

It is an arithmetic number, because the mean of its divisors is an integer number (128999556).

Almost surely, 2^2538369820 is an apocalyptic number.

2538369820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538369820 is an abundant number, since it is smaller than the sum of its proper divisors (3653608868).

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

2538369820 is a wasteful number, since it uses less digits than its factorization.

2538369820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297310 (or 297308 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 2538369820 is about 50382.2371476297. The cubic root of 2538369820 is about 1364.1170332985.

The spelling of 2538369820 in words is "two billion, five hundred thirty-eight million, three hundred sixty-nine thousand, eight hundred twenty".