42881020880 has 40 divisors (see below), whose sum is σ = 99712794312. Its totient is φ = 17149927424.

The previous prime is 42881020877. The next prime is 42881020901. The reversal of 42881020880 is 8802018824.

It can be written as a sum of positive squares in 4 ways, for example, as 4109835664 + 38771185216 = 64108^2 + 196904^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578912 + ... + 648768.

Almost surely, 2^42881020880 is an apocalyptic number.

42881020880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42881020880 is an abundant number, since it is smaller than the sum of its proper divisors (56831773432).

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

42881020880 is a wasteful number, since it uses less digits than its factorization.

42881020880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77543 (or 77537 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 41.

The spelling of 42881020880 in words is "forty-two billion, eight hundred eighty-one million, twenty thousand, eight hundred eighty".