2018040550 has 12 divisors (see below), whose sum is σ = 3753555516. Its totient is φ = 807216200.

The previous prime is 2018040547. The next prime is 2018040553. The reversal of 2018040550 is 550408102.

It is an interprime number because it is at equal distance from previous prime (2018040547) and next prime (2018040553).

It is a super-2 number, since 2×2018040550² = 8144975322888605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018040553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20180356 + ... + 20180455.

It is an arithmetic number, because the mean of its divisors is an integer number (312796293).

Almost surely, 2^2018040550 is an apocalyptic number.

2018040550 is a deficient number, since it is larger than the sum of its proper divisors (1735514966).

2018040550 is a wasteful number, since it uses less digits than its factorization.

2018040550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40360823 (or 40360818 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2018040550 is about 44922.6062244835. The cubic root of 2018040550 is about 1263.6979943137.

Adding to 2018040550 its reverse (550408102), we get a palindrome (2568448652).

The spelling of 2018040550 in words is "two billion, eighteen million, forty thousand, five hundred fifty".