40026206604440 has 64 divisors (see below), whose sum is σ = 102940300180800. Its totient is φ = 13721168314368.

The previous prime is 40026206604421. The next prime is 40026206604479. The reversal of 40026206604440 is 4440660262004.

It is a junction number, because it is equal to n+sod(n) for n = 40026206604394 and 40026206604403.

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, 9119249 + ... + 12775488.

It is an arithmetic number, because the mean of its divisors is an integer number (1608442190325).

Almost surely, 2^{40026206604440} is an apocalyptic number.

40026206604440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40026206604440 is an abundant number, since it is smaller than the sum of its proper divisors (62914093576360).

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

40026206604440 is a wasteful number, since it uses less digits than its factorization.

40026206604440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21901284 (or 21901280 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 40026206604440 its reverse (4440660262004), we get a palindrome (44466866866444).

The spelling of 40026206604440 in words is "forty trillion, twenty-six billion, two hundred six million, six hundred four thousand, four hundred forty".