2201042340 has 72 divisors (see below), whose sum is σ = 7630284480. Its totient is φ = 503095104.

The previous prime is 2201042317. The next prime is 2201042351. The reversal of 2201042340 is 432401022.

2201042340 is a `hidden beast` number, since 2 + 201 + 0 + 423 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 872170 + ... + 874689.

Almost surely, 2^2201042340 is an apocalyptic number.

2201042340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201042340 is an abundant number, since it is smaller than the sum of its proper divisors (5429242140).

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

2201042340 is a wasteful number, since it uses less digits than its factorization.

2201042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746881 (or 1746876 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2201042340 is about 46915.2676641624. The cubic root of 2201042340 is about 1300.7968172219.

Adding to 2201042340 its reverse (432401022), we get a palindrome (2633443362).

The spelling of 2201042340 in words is "two billion, two hundred one million, forty-two thousand, three hundred forty".