4021280881464 has 128 divisors (see below), whose sum is σ = 12535879334400. Its totient is φ = 1044320471040.

The previous prime is 4021280881463. The next prime is 4021280881469. The reversal of 4021280881464 is 4641880821204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021280881463) 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 31 ways as a sum of consecutive naturals, for example, 11524084 + ... + 11867900.

It is an arithmetic number, because the mean of its divisors is an integer number (97936557300).

Almost surely, 2^{4021280881464} is an apocalyptic number.

4021280881464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4021280881464 is an abundant number, since it is smaller than the sum of its proper divisors (8514598452936).

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

4021280881464 is a wasteful number, since it uses less digits than its factorization.

4021280881464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350173 (or 350169 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The spelling of 4021280881464 in words is "four trillion, twenty-one billion, two hundred eighty million, eight hundred eighty-one thousand, four hundred sixty-four".