2774639448 has 80 divisors (see below), whose sum is σ = 8881796880. Its totient is φ = 792752832.

The previous prime is 2774639437. The next prime is 2774639489. The reversal of 2774639448 is 8449364772.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2774639394 and 2774639403.

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, 301311 + ... + 310382.

It is an arithmetic number, because the mean of its divisors is an integer number (111022461).

Almost surely, 2^2774639448 is an apocalyptic number.

2774639448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2774639448 is an abundant number, since it is smaller than the sum of its proper divisors (6107157432).

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

2774639448 is a wasteful number, since it uses less digits than its factorization.

2774639448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611718 (or 611705 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 2774639448 is about 52674.8464449589. The cubic root of 2774639448 is about 1405.1915153717.

The spelling of 2774639448 in words is "two billion, seven hundred seventy-four million, six hundred thirty-nine thousand, four hundred forty-eight".