4078392816 has 20 divisors (see below), whose sum is σ = 10535848232. Its totient is φ = 1359464256.

The previous prime is 4078392797. The next prime is 4078392853. The reversal of 4078392816 is 6182938704.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 84966517 = 4078392816 / (4 + 0 + 7 + 8 + 3 + 9 + 2 + 8 + 1 + 6).

It is a congruent number.

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, 42483211 + ... + 42483306.

Almost surely, 2^4078392816 is an apocalyptic number.

It is an amenable number.

4078392816 is an abundant number, since it is smaller than the sum of its proper divisors (6457455416).

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

4078392816 is a wasteful number, since it uses less digits than its factorization.

4078392816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84966528 (or 84966522 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 4078392816 is about 63862.2957307361. The cubic root of 4078392816 is about 1597.7041050339.

The spelling of 4078392816 in words is "four billion, seventy-eight million, three hundred ninety-two thousand, eight hundred sixteen".