2003402340 has 72 divisors (see below), whose sum is σ = 6080762688. Its totient is φ = 533908800.

The previous prime is 2003402329. The next prime is 2003402363. The reversal of 2003402340 is 432043002.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456999 + ... + 461361.

Almost surely, 2^2003402340 is an apocalyptic number.

2003402340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003402340 is an abundant number, since it is smaller than the sum of its proper divisors (4077360348).

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

2003402340 is a wasteful number, since it uses less digits than its factorization.

2003402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929 (or 6924 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2003402340 is about 44759.3827035182. The cubic root of 2003402340 is about 1260.6350917764.

Adding to 2003402340 its reverse (432043002), we get a palindrome (2435445342).

The spelling of 2003402340 in words is "two billion, three million, four hundred two thousand, three hundred forty".