4446778050 has 288 divisors, whose sum is σ = 14778429120. Its totient is φ = 942451200.

The previous prime is 4446778013. The next prime is 4446778079. The reversal of 4446778050 is 508776444.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 4446777987 and 4446778005.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1220832 + ... + 1224468.

It is an arithmetic number, because the mean of its divisors is an integer number (51313990).

Almost surely, 2^4446778050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4446778050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7389214560).

4446778050 is an abundant number, since it is smaller than the sum of its proper divisors (10331651070).

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

4446778050 is a wasteful number, since it uses less digits than its factorization.

4446778050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698 (or 3690 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 4446778050 is about 66684.1664115253. The cubic root of 4446778050 is about 1644.4290908480.

The spelling of 4446778050 in words is "four billion, four hundred forty-six million, seven hundred seventy-eight thousand, fifty".