2520423434 has 16 divisors (see below), whose sum is σ = 4012556616. Its totient is φ = 1183257600.

The previous prime is 2520423407. The next prime is 2520423439. The reversal of 2520423434 is 4343240252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2237006209 + 283417225 = 47297^2 + 16835^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2520423397 and 2520423406.

It is not an unprimeable number, because it can be changed into a prime (2520423439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73727 + ... + 102354.

Almost surely, 2^2520423434 is an apocalyptic number.

2520423434 is a deficient number, since it is larger than the sum of its proper divisors (1492133182).

2520423434 is a wasteful number, since it uses less digits than its factorization.

2520423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176521.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 2520423434 is about 50203.8189184847. The cubic root of 2520423434 is about 1360.8946380739.

Adding to 2520423434 its reverse (4343240252), we get a palindrome (6863663686).

The spelling of 2520423434 in words is "two billion, five hundred twenty million, four hundred twenty-three thousand, four hundred thirty-four".