2520434838 has 8 divisors (see below), whose sum is σ = 5040869688. Its totient is φ = 840144944.

The previous prime is 2520434837. The next prime is 2520434843. The reversal of 2520434838 is 8384340252.

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

2520434838 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2520434796 and 2520434805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520434837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210036231 + ... + 210036242.

It is an arithmetic number, because the mean of its divisors is an integer number (630108711).

Almost surely, 2^2520434838 is an apocalyptic number.

2520434838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2520434838 is a wasteful number, since it uses less digits than its factorization.

2520434838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420072478.

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 2520434838 is about 50203.9324953733. The cubic root of 2520434838 is about 1360.8966905887.

The spelling of 2520434838 in words is "two billion, five hundred twenty million, four hundred thirty-four thousand, eight hundred thirty-eight".