40077743444 has 12 divisors (see below), whose sum is σ = 70383883584. Its totient is φ = 19968062424.

The previous prime is 40077743429. The next prime is 40077743479. The reversal of 40077743444 is 44434777004.

It is a happy number.

It is a super-2 number, since 2×40077743444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40077743395 and 40077743404.

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 3 ways as a sum of consecutive naturals, for example, 17701052 + ... + 17703315.

It is an arithmetic number, because the mean of its divisors is an integer number (5865323632).

Almost surely, 2^40077743444 is an apocalyptic number.

It is an amenable number.

40077743444 is a deficient number, since it is larger than the sum of its proper divisors (30306140140).

40077743444 is a wasteful number, since it uses less digits than its factorization.

40077743444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35404654 (or 35404652 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 44.

The spelling of 40077743444 in words is "forty billion, seventy-seven million, seven hundred forty-three thousand, four hundred forty-four".