40884564440 has 16 divisors (see below), whose sum is σ = 91990270080. Its totient is φ = 16353825760.

The previous prime is 40884564433. The next prime is 40884564449. The reversal of 40884564440 is 4446548804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40884564449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 511057016 + ... + 511057095.

It is an arithmetic number, because the mean of its divisors is an integer number (5749391880).

Almost surely, 2^40884564440 is an apocalyptic number.

40884564440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40884564440 is an abundant number, since it is smaller than the sum of its proper divisors (51105705640).

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

40884564440 is a wasteful number, since it uses less digits than its factorization.

40884564440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022114122 (or 1022114118 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 47.

The spelling of 40884564440 in words is "forty billion, eight hundred eighty-four million, five hundred sixty-four thousand, four hundred forty".