2402128434 has 32 divisors (see below), whose sum is σ = 5052824064. Its totient is φ = 760256640.

The previous prime is 2402128429. The next prime is 2402128439. The reversal of 2402128434 is 4348212042.

It is an interprime number because it is at equal distance from previous prime (2402128429) and next prime (2402128439).

It is not an unprimeable number, because it can be changed into a prime (2402128439) 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, 111979 + ... + 131694.

It is an arithmetic number, because the mean of its divisors is an integer number (157900752).

Almost surely, 2^2402128434 is an apocalyptic number.

2402128434 is an abundant number, since it is smaller than the sum of its proper divisors (2650695630).

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

2402128434 is a wasteful number, since it uses less digits than its factorization.

2402128434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243762.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 2402128434 is about 49011.5132800447. The cubic root of 2402128434 is about 1339.2615731790.

The spelling of 2402128434 in words is "two billion, four hundred two million, one hundred twenty-eight thousand, four hundred thirty-four".