40821255528 has 32 divisors (see below), whose sum is σ = 102581923200. Its totient is φ = 13536580608.

The previous prime is 40821255473. The next prime is 40821255569. The reversal of 40821255528 is 82555212804.

It is a self number, because there is not a number n which added to its sum of digits gives 40821255528.

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, 4401808 + ... + 4411071.

It is an arithmetic number, because the mean of its divisors is an integer number (3205685100).

Almost surely, 2^40821255528 is an apocalyptic number.

It is an amenable number.

40821255528 is an abundant number, since it is smaller than the sum of its proper divisors (61760667672).

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

40821255528 is a wasteful number, since it uses less digits than its factorization.

40821255528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813081 (or 8813077 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 40821255528 in words is "forty billion, eight hundred twenty-one million, two hundred fifty-five thousand, five hundred twenty-eight".