2520605398 has 8 divisors (see below), whose sum is σ = 3979903320. Its totient is φ = 1193970960.

The previous prime is 2520605377. The next prime is 2520605407. The reversal of 2520605398 is 8935060252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2520605398.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33165823 + ... + 33165898.

It is an arithmetic number, because the mean of its divisors is an integer number (497487915).

Almost surely, 2^2520605398 is an apocalyptic number.

2520605398 is a deficient number, since it is larger than the sum of its proper divisors (1459297922).

2520605398 is a wasteful number, since it uses less digits than its factorization.

2520605398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66331742.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 2520605398 is about 50205.6311383494. The cubic root of 2520605398 is about 1360.9273875807.

The spelling of 2520605398 in words is "two billion, five hundred twenty million, six hundred five thousand, three hundred ninety-eight".