2620409488 has 10 divisors (see below), whose sum is σ = 5077043414. Its totient is φ = 1310204736.

The previous prime is 2620409483. The next prime is 2620409501. The reversal of 2620409488 is 8849040262.

It can be written as a sum of positive squares in only one way, i.e., 2011701904 + 608707584 = 44852^2 + 24672^2 .

It is not an unprimeable number, because it can be changed into a prime (2620409483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81887781 + ... + 81887812.

Almost surely, 2^2620409488 is an apocalyptic number.

It is an amenable number.

2620409488 is a deficient number, since it is larger than the sum of its proper divisors (2456633926).

2620409488 is a wasteful number, since it uses less digits than its factorization.

2620409488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163775601 (or 163775595 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 2620409488 is about 51189.9354170329. The cubic root of 2620409488 is about 1378.6574999775.

The spelling of 2620409488 in words is "two billion, six hundred twenty million, four hundred nine thousand, four hundred eighty-eight".