2502009845820 has 288 divisors, whose sum is σ = 8005189046400. Its totient is φ = 631573383168.

The previous prime is 2502009845807. The next prime is 2502009845827. The reversal of 2502009845820 is 285489002052.

2502009845820 is a `hidden beast` number, since 2 + 502 + 0 + 0 + 98 + 4 + 58 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502009845827) 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 95 ways as a sum of consecutive naturals, for example, 519841734 + ... + 519846546.

It is an arithmetic number, because the mean of its divisors is an integer number (27795795300).

Almost surely, 2^{2502009845820} is an apocalyptic number.

2502009845820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2502009845820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4002594523200).

2502009845820 is an abundant number, since it is smaller than the sum of its proper divisors (5503179200580).

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

2502009845820 is a wasteful number, since it uses less digits than its factorization.

2502009845820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789 (or 6784 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 2502009845820 in words is "two trillion, five hundred two billion, nine million, eight hundred forty-five thousand, eight hundred twenty".