2520653798 has 16 divisors (see below), whose sum is σ = 4092295200. Its totient is φ = 1157530176.

The previous prime is 2520653797. The next prime is 2520653819. The reversal of 2520653798 is 8973560252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520653797) by changing a digit.

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, 238415 + ... + 248762.

It is an arithmetic number, because the mean of its divisors is an integer number (255768450).

Almost surely, 2^2520653798 is an apocalyptic number.

2520653798 is a deficient number, since it is larger than the sum of its proper divisors (1571641402).

2520653798 is a wasteful number, since it uses less digits than its factorization.

2520653798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487391.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 2520653798 is about 50206.1131536788. The cubic root of 2520653798 is about 1360.9360982478.

The spelling of 2520653798 in words is "two billion, five hundred twenty million, six hundred fifty-three thousand, seven hundred ninety-eight".