2277396640 has 24 divisors (see below), whose sum is σ = 5380349940. Its totient is φ = 910958592.

The previous prime is 2277396629. The next prime is 2277396707. The reversal of 2277396640 is 466937722.

It can be written as a sum of positive squares in 2 ways, for example, as 1876275856 + 401120784 = 43316^2 + 20028^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7116705 + ... + 7117024.

Almost surely, 2^2277396640 is an apocalyptic number.

2277396640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2277396640 is an abundant number, since it is smaller than the sum of its proper divisors (3102953300).

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

2277396640 is a wasteful number, since it uses less digits than its factorization.

2277396640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14233744 (or 14233736 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 2277396640 is about 47722.0770713095. The cubic root of 2277396640 is about 1315.6677376149.

The spelling of 2277396640 in words is "two billion, two hundred seventy-seven million, three hundred ninety-six thousand, six hundred forty".