2774552156 has 24 divisors (see below), whose sum is σ = 4877651520. Its totient is φ = 1380953600.

The previous prime is 2774552107. The next prime is 2774552161. The reversal of 2774552156 is 6512554772.

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, 896660 + ... + 899748.

It is an arithmetic number, because the mean of its divisors is an integer number (203235480).

Almost surely, 2^2774552156 is an apocalyptic number.

It is an amenable number.

2774552156 is a deficient number, since it is larger than the sum of its proper divisors (2103099364).

2774552156 is a wasteful number, since it uses less digits than its factorization.

2774552156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4043 counting only the distinct ones).

The product of its digits is 588000, while the sum is 44.

The square root of 2774552156 is about 52674.0178456134. The cubic root of 2774552156 is about 1405.1767791310.

The spelling of 2774552156 in words is "two billion, seven hundred seventy-four million, five hundred fifty-two thousand, one hundred fifty-six".