4078998000 has 960 divisors, whose sum is σ = 18588810240. Its totient is φ = 839808000.

The previous prime is 4078997983. The next prime is 4078998029. The reversal of 4078998000 is 8998704.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 37421946 + ... + 37422054.

It is an arithmetic number, because the mean of its divisors is an integer number (19363344).

Almost surely, 2^4078998000 is an apocalyptic number.

4078998000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4078998000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9294405120).

4078998000 is an abundant number, since it is smaller than the sum of its proper divisors (14509812240).

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

4078998000 is a wasteful number, since it uses less digits than its factorization.

4078998000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4078998000 is about 63867.0337498149. The cubic root of 4078998000 is about 1597.7831277587.

The spelling of 4078998000 in words is "four billion, seventy-eight million, nine hundred ninety-eight thousand".