2240364540 has 24 divisors (see below), whose sum is σ = 6273020880. Its totient is φ = 597430528.

The previous prime is 2240364523. The next prime is 2240364569. The reversal of 2240364540 is 454630422.

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 = 2240364498 and 2240364507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18669645 + ... + 18669764.

It is an arithmetic number, because the mean of its divisors is an integer number (261375870).

Almost surely, 2^2240364540 is an apocalyptic number.

2240364540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240364540 is an abundant number, since it is smaller than the sum of its proper divisors (4032656340).

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

2240364540 is a wasteful number, since it uses less digits than its factorization.

2240364540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37339421 (or 37339419 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2240364540 is about 47332.4892647746. The cubic root of 2240364540 is about 1308.4974984702.

Adding to 2240364540 its reverse (454630422), we get a palindrome (2694994962).

The spelling of 2240364540 in words is "two billion, two hundred forty million, three hundred sixty-four thousand, five hundred forty".