2774673440 has 96 divisors (see below), whose sum is σ = 8172710784. Its totient is φ = 864829440.

The previous prime is 2774673439. The next prime is 2774673449. The reversal of 2774673440 is 443764772.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 2774673391 and 2774673400.

It is not an unprimeable number, because it can be changed into a prime (2774673449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100289 + ... + 124928.

It is an arithmetic number, because the mean of its divisors is an integer number (85132404).

Almost surely, 2^2774673440 is an apocalyptic number.

2774673440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2774673440 is an abundant number, since it is smaller than the sum of its proper divisors (5398037344).

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

2774673440 is a wasteful number, since it uses less digits than its factorization.

2774673440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225250 (or 225242 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 44.

The square root of 2774673440 is about 52675.1691027186. The cubic root of 2774673440 is about 1405.1972536638.

The spelling of 2774673440 in words is "two billion, seven hundred seventy-four million, six hundred seventy-three thousand, four hundred forty".