2750245820 has 48 divisors (see below), whose sum is σ = 6947996160. Its totient is φ = 893312064.

The previous prime is 2750245811. The next prime is 2750245837. The reversal of 2750245820 is 285420572.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514304 + ... + 519623.

It is an arithmetic number, because the mean of its divisors is an integer number (144749920).

Almost surely, 2^2750245820 is an apocalyptic number.

2750245820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750245820 is an abundant number, since it is smaller than the sum of its proper divisors (4197750340).

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

2750245820 is a wasteful number, since it uses less digits than its factorization.

2750245820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033962 (or 1033960 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 2750245820 is about 52442.7861578692. The cubic root of 2750245820 is about 1401.0614093753.

The spelling of 2750245820 in words is "two billion, seven hundred fifty million, two hundred forty-five thousand, eight hundred twenty".