4390994240 has 224 divisors, whose sum is σ = 11466576000. Its totient is φ = 1595842560.

The previous prime is 4390994233. The next prime is 4390994263. The reversal of 4390994240 is 424990934.

It is a junction number, because it is equal to n+sod(n) for n = 4390994191 and 4390994200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29469686 + ... + 29469834.

Almost surely, 2^4390994240 is an apocalyptic number.

4390994240 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 4390994240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5733288000).

4390994240 is an abundant number, since it is smaller than the sum of its proper divisors (7075581760).

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

4390994240 is a wasteful number, since it uses less digits than its factorization.

4390994240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 4390994240 is about 66264.5775659968. The cubic root of 4390994240 is about 1637.5238062697.

The spelling of 4390994240 in words is "four billion, three hundred ninety million, nine hundred ninety-four thousand, two hundred forty".