2018265240 has 64 divisors (see below), whose sum is σ = 6059138400. Its totient is φ = 537818112.

The previous prime is 2018265217. The next prime is 2018265247. The reversal of 2018265240 is 425628102.

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 = 2018265198 and 2018265207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018265247) 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, 187854 + ... + 198306.

Almost surely, 2^2018265240 is an apocalyptic number.

2018265240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018265240 is an abundant number, since it is smaller than the sum of its proper divisors (4040873160).

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

2018265240 is a wasteful number, since it uses less digits than its factorization.

2018265240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076 (or 12072 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2018265240 is about 44925.1070115587. The cubic root of 2018265240 is about 1263.7448929030.

The spelling of 2018265240 in words is "two billion, eighteen million, two hundred sixty-five thousand, two hundred forty".