4426632404640 has 96 divisors (see below), whose sum is σ = 15493213431360. Its totient is φ = 1180435306752.

The previous prime is 4426632404627. The next prime is 4426632404641. The reversal of 4426632404640 is 464042366244.

4426632404640 is a `hidden beast` number, since 4 + 4 + 2 + 6 + 632 + 4 + 0 + 4 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (4426632404641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512337394 + ... + 512346033.

It is an arithmetic number, because the mean of its divisors is an integer number (161387639910).

Almost surely, 2^{4426632404640} is an apocalyptic number.

4426632404640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4426632404640 is an abundant number, since it is smaller than the sum of its proper divisors (11066581026720).

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

4426632404640 is a wasteful number, since it uses less digits than its factorization.

4426632404640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024683451 (or 1024683437 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 45.

The spelling of 4426632404640 in words is "four trillion, four hundred twenty-six billion, six hundred thirty-two million, four hundred four thousand, six hundred forty".