4426964640 has 144 divisors (see below), whose sum is σ = 17265201408. Its totient is φ = 1011875328.

The previous prime is 4426964599. The next prime is 4426964653. The reversal of 4426964640 is 464696244.

It is a tau number, because it is divible by the number of its divisors (144).

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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209512 + ... + 229671.

It is an arithmetic number, because the mean of its divisors is an integer number (119897232).

Almost surely, 2^4426964640 is an apocalyptic number.

4426964640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4426964640 is an abundant number, since it is smaller than the sum of its proper divisors (12838236768).

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

4426964640 is a wasteful number, since it uses less digits than its factorization.

4426964640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439211 (or 439200 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The square root of 4426964640 is about 66535.4389780364. The cubic root of 4426964640 is about 1641.9831057005.

The spelling of 4426964640 in words is "four billion, four hundred twenty-six million, nine hundred sixty-four thousand, six hundred forty".