2774420628 has 24 divisors (see below), whose sum is σ = 7398455232. Its totient is φ = 792691584.

The previous prime is 2774420591. The next prime is 2774420639. The reversal of 2774420628 is 8260244772.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 2774420628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16514325 + ... + 16514492.

It is an arithmetic number, because the mean of its divisors is an integer number (308268968).

Almost surely, 2^2774420628 is an apocalyptic number.

2774420628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2774420628 is an abundant number, since it is smaller than the sum of its proper divisors (4624034604).

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

2774420628 is a wasteful number, since it uses less digits than its factorization.

2774420628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33028831 (or 33028829 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 2774420628 is about 52672.7693215384. The cubic root of 2774420628 is about 1405.1545745851.

The spelling of 2774420628 in words is "two billion, seven hundred seventy-four million, four hundred twenty thousand, six hundred twenty-eight".