4078994620 has 48 divisors (see below), whose sum is σ = 9280722528. Its totient is φ = 1499904000.

The previous prime is 4078994617. The next prime is 4078994629. The reversal of 4078994620 is 264998704.

It is a super-3 number, since 3×4078994620³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078994629) 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, 124881 + ... + 154120.

It is an arithmetic number, because the mean of its divisors is an integer number (193348386).

Almost surely, 2^4078994620 is an apocalyptic number.

It is an amenable number.

4078994620 is an abundant number, since it is smaller than the sum of its proper divisors (5201727908).

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

4078994620 is a wasteful number, since it uses less digits than its factorization.

4078994620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279070 (or 279068 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 4078994620 is about 63867.0072885837. The cubic root of 4078994620 is about 1597.7826864323.

The spelling of 4078994620 in words is "four billion, seventy-eight million, nine hundred ninety-four thousand, six hundred twenty".