2040403430 has 16 divisors (see below), whose sum is σ = 3955243824. Its totient is φ = 753379680.

The previous prime is 2040403429. The next prime is 2040403447. The reversal of 2040403430 is 343040402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7847576 + ... + 7847835.

It is an arithmetic number, because the mean of its divisors is an integer number (247202739).

Almost surely, 2^2040403430 is an apocalyptic number.

2040403430 is a deficient number, since it is larger than the sum of its proper divisors (1914840394).

2040403430 is a wasteful number, since it uses less digits than its factorization.

2040403430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15695431.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2040403430 is about 45170.8249869316. The cubic root of 2040403430 is about 1268.3487395216.

Adding to 2040403430 its reverse (343040402), we get a palindrome (2383443832).

The spelling of 2040403430 in words is "two billion, forty million, four hundred three thousand, four hundred thirty".