2002241540 has 96 divisors (see below), whose sum is σ = 4752470016. Its totient is φ = 703042560.

The previous prime is 2002241537. The next prime is 2002241621. The reversal of 2002241540 is 451422002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1141304 + ... + 1143056.

It is an arithmetic number, because the mean of its divisors is an integer number (49504896).

Almost surely, 2^2002241540 is an apocalyptic number.

2002241540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002241540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376235008).

2002241540 is an abundant number, since it is smaller than the sum of its proper divisors (2750228476).

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

2002241540 is a wasteful number, since it uses less digits than its factorization.

2002241540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2002241540 is about 44746.4137110450. The cubic root of 2002241540 is about 1260.3915680628.

Adding to 2002241540 its reverse (451422002), we get a palindrome (2453663542).

The spelling of 2002241540 in words is "two billion, two million, two hundred forty-one thousand, five hundred forty".