2054118540 has 24 divisors (see below), whose sum is σ = 5751532080. Its totient is φ = 547764928.

The previous prime is 2054118511. The next prime is 2054118541. The reversal of 2054118540 is 458114502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2054118498 and 2054118507.

It is not an unprimeable number, because it can be changed into a prime (2054118541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17117595 + ... + 17117714.

It is an arithmetic number, because the mean of its divisors is an integer number (239647170).

Almost surely, 2^2054118540 is an apocalyptic number.

2054118540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054118540 is an abundant number, since it is smaller than the sum of its proper divisors (3697413540).

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

2054118540 is a wasteful number, since it uses less digits than its factorization.

2054118540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34235321 (or 34235319 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 2054118540 is about 45322.3845356795. The cubic root of 2054118540 is about 1271.1842426846.

The spelling of 2054118540 in words is "two billion, fifty-four million, one hundred eighteen thousand, five hundred forty".