2078388256 has 48 divisors (see below), whose sum is σ = 4740470784. Its totient is φ = 878529024.

The previous prime is 2078388233. The next prime is 2078388287. The reversal of 2078388256 is 6528838702.

It is a happy 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, 47200 + ... + 79903.

It is an arithmetic number, because the mean of its divisors is an integer number (98759808).

Almost surely, 2^2078388256 is an apocalyptic number.

It is an amenable number.

2078388256 is an abundant number, since it is smaller than the sum of its proper divisors (2662082528).

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

2078388256 is a wasteful number, since it uses less digits than its factorization.

2078388256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127193 (or 127185 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 2078388256 is about 45589.3436671334. The cubic root of 2078388256 is about 1276.1710642208.

The spelling of 2078388256 in words is "two billion, seventy-eight million, three hundred eighty-eight thousand, two hundred fifty-six".