2040400203 has 8 divisors (see below), whose sum is σ = 2720885568. Its totient is φ = 1360090824.

The previous prime is 2040400199. The next prime is 2040400217. The reversal of 2040400203 is 3020040402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2040400203 - 2² = 2040400199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040400273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14025 + ... + 65402.

It is an arithmetic number, because the mean of its divisors is an integer number (340110696).

Almost surely, 2^2040400203 is an apocalyptic number.

2040400203 is a deficient number, since it is larger than the sum of its proper divisors (680485365).

2040400203 is an equidigital number, since it uses as much as digits as its factorization.

2040400203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87993.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2040400203 is about 45170.7892669588. The cubic root of 2040400203 is about 1268.3480708690.

Adding to 2040400203 its reverse (3020040402), we get a palindrome (5060440605).

The spelling of 2040400203 in words is "two billion, forty million, four hundred thousand, two hundred three".