40821419980 has 48 divisors (see below), whose sum is σ = 93661704864. Its totient is φ = 14821368320.

The previous prime is 40821419929. The next prime is 40821420001. The reversal of 40821419980 is 8991412804.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40821419980.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1584 + ... + 285736.

It is an arithmetic number, because the mean of its divisors is an integer number (1951285518).

Almost surely, 2^40821419980 is an apocalyptic number.

It is an amenable number.

40821419980 is an abundant number, since it is smaller than the sum of its proper divisors (52840284884).

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

40821419980 is a wasteful number, since it uses less digits than its factorization.

40821419980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284826 (or 284824 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 40821419980 in words is "forty billion, eight hundred twenty-one million, four hundred nineteen thousand, nine hundred eighty".