2003937540 has 48 divisors (see below), whose sum is σ = 6121120320. Its totient is φ = 485802880.

The previous prime is 2003937521. The next prime is 2003937547. The reversal of 2003937540 is 457393002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2003937547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1517475 + ... + 1518794.

It is an arithmetic number, because the mean of its divisors is an integer number (127523340).

Almost surely, 2^2003937540 is an apocalyptic number.

2003937540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003937540 is an abundant number, since it is smaller than the sum of its proper divisors (4117182780).

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

2003937540 is a wasteful number, since it uses less digits than its factorization.

2003937540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036292 (or 3036290 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 2003937540 is about 44765.3609390118. The cubic root of 2003937540 is about 1260.7473394623.

The spelling of 2003937540 in words is "two billion, three million, nine hundred thirty-seven thousand, five hundred forty".