2003346240 has 224 divisors, whose sum is σ = 7305348864. Its totient is φ = 455639040.

The previous prime is 2003346217. The next prime is 2003346259. The reversal of 2003346240 is 426433002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2003346240.

It is a congruent number.

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, 1618902 + ... + 1620138.

Almost surely, 2^2003346240 is an apocalyptic number.

2003346240 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 2003346240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3652674432).

2003346240 is an abundant number, since it is smaller than the sum of its proper divisors (5302002624).

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

2003346240 is a wasteful number, since it uses less digits than its factorization.

2003346240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2003346240 is about 44758.7560148850. The cubic root of 2003346240 is about 1260.6233247460.

Adding to 2003346240 its reverse (426433002), we get a palindrome (2429779242).

The spelling of 2003346240 in words is "two billion, three million, three hundred forty-six thousand, two hundred forty".