40838764446 has 24 divisors (see below), whose sum is σ = 88571723760. Its totient is φ = 13599423936.

The previous prime is 40838764429. The next prime is 40838764451. The reversal of 40838764446 is 64446783804.

40838764446 is a `hidden beast` number, since 40 + 83 + 87 + 6 + 4 + 446 = 666.

It is a super-3 number, since 3×40838764446³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40838764392 and 40838764401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1106130 + ... + 1142453.

It is an arithmetic number, because the mean of its divisors is an integer number (3690488490).

Almost surely, 2^40838764446 is an apocalyptic number.

40838764446 is an abundant number, since it is smaller than the sum of its proper divisors (47732959314).

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

40838764446 is a wasteful number, since it uses less digits than its factorization.

40838764446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249600 (or 2249597 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 54.

The spelling of 40838764446 in words is "forty billion, eight hundred thirty-eight million, seven hundred sixty-four thousand, four hundred forty-six".