40840488044 has 6 divisors (see below), whose sum is σ = 71470854084. Its totient is φ = 20420244020.

The previous prime is 40840487969. The next prime is 40840488047. The reversal of 40840488044 is 44088404804.

It is a junction number, because it is equal to n+sod(n) for n = 40840487986 and 40840488004.

It is not an unprimeable number, because it can be changed into a prime (40840488047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105061002 + ... + 5105061009.

It is an arithmetic number, because the mean of its divisors is an integer number (11911809014).

Almost surely, 2^40840488044 is an apocalyptic number.

It is an amenable number.

40840488044 is a deficient number, since it is larger than the sum of its proper divisors (30630366040).

40840488044 is a wasteful number, since it uses less digits than its factorization.

40840488044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210122015 (or 10210122013 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 40840488044 in words is "forty billion, eight hundred forty million, four hundred eighty-eight thousand, forty-four".