40577843444 has 24 divisors (see below), whose sum is σ = 71153714688. Its totient is φ = 20248250400.

The previous prime is 40577843443. The next prime is 40577843479. The reversal of 40577843444 is 44434877504.

It is a super-2 number, since 2×40577843444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40577843392 and 40577843401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40577843443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5516369 + ... + 5523719.

It is an arithmetic number, because the mean of its divisors is an integer number (2964738112).

Almost surely, 2^40577843444 is an apocalyptic number.

It is an amenable number.

40577843444 is a deficient number, since it is larger than the sum of its proper divisors (30575871244).

40577843444 is a wasteful number, since it uses less digits than its factorization.

40577843444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935 (or 9933 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 50.

The spelling of 40577843444 in words is "forty billion, five hundred seventy-seven million, eight hundred forty-three thousand, four hundred forty-four".