2521286496 has 72 divisors (see below), whose sum is σ = 7481663280. Its totient is φ = 803886336.

The previous prime is 2521286461. The next prime is 2521286497. The reversal of 2521286496 is 6946821252.

2521286496 is a `hidden beast` number, since 2 + 521 + 2 + 86 + 49 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521286497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183691 + ... + 196938.

It is an arithmetic number, because the mean of its divisors is an integer number (103911990).

Almost surely, 2^2521286496 is an apocalyptic number.

It is an amenable number.

2521286496 is an abundant number, since it is smaller than the sum of its proper divisors (4960376784).

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

2521286496 is a wasteful number, since it uses less digits than its factorization.

2521286496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380668 (or 380657 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 2521286496 is about 50212.4137639289. The cubic root of 2521286496 is about 1361.0499562099.

The spelling of 2521286496 in words is "two billion, five hundred twenty-one million, two hundred eighty-six thousand, four hundred ninety-six".