2600620021242 has 32 divisors (see below), whose sum is σ = 5785297220160. Its totient is φ = 865952097840.

The previous prime is 2600620021201. The next prime is 2600620021247. The reversal of 2600620021242 is 2421200260062.

It is a happy number.

2600620021242 is a `hidden beast` number, since 2 + 600 + 6 + 2 + 0 + 0 + 2 + 12 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2600620021247) 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 15 ways as a sum of consecutive naturals, for example, 25538788 + ... + 25640415.

It is an arithmetic number, because the mean of its divisors is an integer number (180790538130).

Almost surely, 2^{2600620021242} is an apocalyptic number.

2600620021242 is an abundant number, since it is smaller than the sum of its proper divisors (3184677198918).

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

2600620021242 is a wasteful number, since it uses less digits than its factorization.

2600620021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51180155 (or 51180149 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 2600620021242 in words is "two trillion, six hundred billion, six hundred twenty million, twenty-one thousand, two hundred forty-two".