2918720145250 has 1152 divisors, whose sum is σ = 7910983342080. Its totient is φ = 795578112000.

The previous prime is 2918720145203. The next prime is 2918720145277. The reversal of 2918720145250 is 525410278192.

It is a self number, because there is not a number n which added to its sum of digits gives 2918720145250.

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 575 ways as a sum of consecutive naturals, for example, 78884328232 + ... + 78884328268.

It is an arithmetic number, because the mean of its divisors is an integer number (6867173040).

Almost surely, 2^{2918720145250} is an apocalyptic number.

2918720145250 is an abundant number, since it is smaller than the sum of its proper divisors (4992263196830).

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

2918720145250 is a wasteful number, since it uses less digits than its factorization.

2918720145250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 2918720145250 in words is "two trillion, nine hundred eighteen billion, seven hundred twenty million, one hundred forty-five thousand, two hundred fifty".