4294344978 has 128 divisors (see below), whose sum is σ = 12093511680. Its totient is φ = 1097064000.

The previous prime is 4294344953. The next prime is 4294344979. The reversal of 4294344978 is 8794434924.

4294344978 is a `hidden beast` number, since 4 + 294 + 344 + 9 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4294344979) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 245173 + ... + 262103.

It is an arithmetic number, because the mean of its divisors is an integer number (94480560).

Almost surely, 2^4294344978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4294344978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6046755840).

4294344978 is an abundant number, since it is smaller than the sum of its proper divisors (7799166702).

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

4294344978 is a wasteful number, since it uses less digits than its factorization.

4294344978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021 (or 17015 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 4294344978 is about 65531.2519184549. The cubic root of 4294344978 is about 1625.4201647086.

The spelling of 4294344978 in words is "four billion, two hundred ninety-four million, three hundred forty-four thousand, nine hundred seventy-eight".