40420856882444 has 6 divisors (see below), whose sum is σ = 70736499544284. Its totient is φ = 20210428441220.

The previous prime is 40420856882377. The next prime is 40420856882447. The reversal of 40420856882444 is 44428865802404.

It is a super-2 number, since 2×40420856882444² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40420856882447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052607110302 + ... + 5052607110309.

It is an arithmetic number, because the mean of its divisors is an integer number (11789416590714).

Almost surely, 2^{40420856882444} is an apocalyptic number.

It is an amenable number.

40420856882444 is a deficient number, since it is larger than the sum of its proper divisors (30315642661840).

40420856882444 is a wasteful number, since it uses less digits than its factorization.

40420856882444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105214220615 (or 10105214220613 counting only the distinct ones).

The product of its (nonzero) digits is 62914560, while the sum is 59.

The spelling of 40420856882444 in words is "forty trillion, four hundred twenty billion, eight hundred fifty-six million, eight hundred eighty-two thousand, four hundred forty-four".