1603041240 has 64 divisors (see below), whose sum is σ = 4811788800. Its totient is φ = 427240832.

The previous prime is 1603041239. The next prime is 1603041241. The reversal of 1603041240 is 421403061.

It is an interprime number because it is at equal distance from previous prime (1603041239) and next prime (1603041241).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603041241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 372139 + ... + 376421.

It is an arithmetic number, because the mean of its divisors is an integer number (75184200).

Almost surely, 2^1603041240 is an apocalyptic number.

1603041240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1603041240 is an abundant number, since it is smaller than the sum of its proper divisors (3208747560).

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

1603041240 is a wasteful number, since it uses less digits than its factorization.

1603041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7416 (or 7412 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1603041240 is about 40037.9974524201. The cubic root of 1603041240 is about 1170.3476795640.

The spelling of 1603041240 in words is "one billion, six hundred three million, forty-one thousand, two hundred forty".