10102040434 has 4 divisors (see below), whose sum is σ = 15153060654. Its totient is φ = 5051020216.

The previous prime is 10102040411. The next prime is 10102040437. The reversal of 10102040434 is 43404020101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7259551209 + 2842489225 = 85203^2 + 53315^2 .

It is not an unprimeable number, because it can be changed into a prime (10102040437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525510107 + ... + 2525510110.

Almost surely, 2^10102040434 is an apocalyptic number.

10102040434 is a deficient number, since it is larger than the sum of its proper divisors (5051020220).

10102040434 is an equidigital number, since it uses as much as digits as its factorization.

10102040434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051020219.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10102040434 its reverse (43404020101), we get a palindrome (53506060535).

The spelling of 10102040434 in words is "ten billion, one hundred two million, forty thousand, four hundred thirty-four".