2657466620 has 24 divisors (see below), whose sum is σ = 5773118400. Its totient is φ = 1026331712.

The previous prime is 2657466593. The next prime is 2657466631. The reversal of 2657466620 is 266647562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290340 + ... + 2291499.

It is an arithmetic number, because the mean of its divisors is an integer number (240546600).

Almost surely, 2^2657466620 is an apocalyptic number.

2657466620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2657466620 is an abundant number, since it is smaller than the sum of its proper divisors (3115651780).

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

2657466620 is a wasteful number, since it uses less digits than its factorization.

2657466620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581877 (or 4581875 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The square root of 2657466620 is about 51550.6219167141. The cubic root of 2657466620 is about 1385.1259721987.

The spelling of 2657466620 in words is "two billion, six hundred fifty-seven million, four hundred sixty-six thousand, six hundred twenty".