2400203493 has 24 divisors (see below), whose sum is σ = 3520895040. Its totient is φ = 1575309120.

The previous prime is 2400203471. The next prime is 2400203513. The reversal of 2400203493 is 3943020042.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2400203493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400203413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514630 + ... + 519272.

It is an arithmetic number, because the mean of its divisors is an integer number (146703960).

Almost surely, 2^2400203493 is an apocalyptic number.

It is an amenable number.

2400203493 is a deficient number, since it is larger than the sum of its proper divisors (1120691547).

2400203493 is a wasteful number, since it uses less digits than its factorization.

2400203493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2400203493 is about 48991.8717033754. The cubic root of 2400203493 is about 1338.9037393503.

The spelling of 2400203493 in words is "two billion, four hundred million, two hundred three thousand, four hundred ninety-three".