40021113244404 has 48 divisors (see below), whose sum is σ = 93419751458880. Its totient is φ = 13335064404480.

The previous prime is 40021113244393. The next prime is 40021113244421. The reversal of 40021113244404 is 40444231112004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343373322 + ... + 343489854.

It is an arithmetic number, because the mean of its divisors is an integer number (1946244822060).

Almost surely, 2^{40021113244404} is an apocalyptic number.

It is an amenable number.

40021113244404 is an abundant number, since it is smaller than the sum of its proper divisors (53398638214476).

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

40021113244404 is a wasteful number, since it uses less digits than its factorization.

40021113244404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127680 (or 127678 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 40021113244404 its reverse (40444231112004), we get a palindrome (80465344356408).

The spelling of 40021113244404 in words is "forty trillion, twenty-one billion, one hundred thirteen million, two hundred forty-four thousand, four hundred four".