40021403244324 has 12 divisors (see below), whose sum is σ = 93383274236784. Its totient is φ = 13340467748104.

The previous prime is 40021403244307. The next prime is 40021403244359. The reversal of 40021403244324 is 42344230412004.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667558468502 + ... + 1667558468525.

It is an arithmetic number, because the mean of its divisors is an integer number (7781939519732).

Almost surely, 2^{40021403244324} is an apocalyptic number.

It is an amenable number.

40021403244324 is an abundant number, since it is smaller than the sum of its proper divisors (53361870992460).

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

40021403244324 is a wasteful number, since it uses less digits than its factorization.

40021403244324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335116937034 (or 3335116937032 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 40021403244324 its reverse (42344230412004), we get a palindrome (82365633656328).

The spelling of 40021403244324 in words is "forty trillion, twenty-one billion, four hundred three million, two hundred forty-four thousand, three hundred twenty-four".