2403400434 has 16 divisors (see below), whose sum is σ = 4897495872. Its totient is φ = 786017648.

The previous prime is 2403400399. The next prime is 2403400469. The reversal of 2403400434 is 4340043042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2403400399) and next prime (2403400469).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3778614 + ... + 3779249.

It is an arithmetic number, because the mean of its divisors is an integer number (306093492).

Almost surely, 2^2403400434 is an apocalyptic number.

2403400434 is an abundant number, since it is smaller than the sum of its proper divisors (2494095438).

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

2403400434 is a wasteful number, since it uses less digits than its factorization.

2403400434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557921.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 2403400434 is about 49024.4881054356. The cubic root of 2403400434 is about 1339.4979246986.

Adding to 2403400434 its reverse (4340043042), we get a palindrome (6743443476).

The spelling of 2403400434 in words is "two billion, four hundred three million, four hundred thousand, four hundred thirty-four".