2774555000 has 80 divisors (see below), whose sum is σ = 7429559280. Its totient is φ = 951264000.

The previous prime is 2774554999. The next prime is 2774555029. The reversal of 2774555000 is 5554772.

It is a happy number.

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 19 ways as a sum of consecutive naturals, for example, 4637 + ... + 74636.

It is an arithmetic number, because the mean of its divisors is an integer number (92869491).

Almost surely, 2^2774555000 is an apocalyptic number.

2774555000 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 2774555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3714779640).

2774555000 is an abundant number, since it is smaller than the sum of its proper divisors (4655004280).

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

2774555000 is an equidigital number, since it uses as much as digits as its factorization.

2774555000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79306 (or 79287 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 2774555000 is about 52674.0448418384. The cubic root of 2774555000 is about 1405.1772592471.

The spelling of 2774555000 in words is "two billion, seven hundred seventy-four million, five hundred fifty-five thousand".