2102400434 has 8 divisors (see below), whose sum is σ = 3165592320. Its totient is φ = 1047202996.

The previous prime is 2102400427. The next prime is 2102400467. The reversal of 2102400434 is 4340042012.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997954 + ... + 1999005.

It is an arithmetic number, because the mean of its divisors is an integer number (395699040).

Almost surely, 2^2102400434 is an apocalyptic number.

2102400434 is a deficient number, since it is larger than the sum of its proper divisors (1063191886).

2102400434 is a wasteful number, since it uses less digits than its factorization.

2102400434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997224.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2102400434 is about 45851.9403515271. The cubic root of 2102400434 is about 1281.0669070941.

Adding to 2102400434 its reverse (4340042012), we get a palindrome (6442442446).

The spelling of 2102400434 in words is "two billion, one hundred two million, four hundred thousand, four hundred thirty-four".