4244497920 has 480 divisors, whose sum is σ = 16300956672. Its totient is φ = 1013907456.

The previous prime is 4244497919. The next prime is 4244497927. The reversal of 4244497920 is 297944424.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244497927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11082049 + ... + 11082431.

Almost surely, 2^4244497920 is an apocalyptic number.

4244497920 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 4244497920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8150478336).

4244497920 is an abundant number, since it is smaller than the sum of its proper divisors (12056458752).

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

4244497920 is a wasteful number, since it uses less digits than its factorization.

4244497920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 4244497920 is about 65149.8113581306. The cubic root of 4244497920 is about 1619.1065947254.

The spelling of 4244497920 in words is "four billion, two hundred forty-four million, four hundred ninety-seven thousand, nine hundred twenty".