40043777256 has 144 divisors (see below), whose sum is σ = 132798463200. Its totient is φ = 10838899008.

The previous prime is 40043777203. The next prime is 40043777309. The reversal of 40043777256 is 65277734004.

It is an interprime number because it is at equal distance from previous prime (40043777203) and next prime (40043777309).

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 35 ways as a sum of consecutive naturals, for example, 231660 + ... + 365723.

It is an arithmetic number, because the mean of its divisors is an integer number (922211550).

Almost surely, 2^40043777256 is an apocalyptic number.

It is an amenable number.

40043777256 is an abundant number, since it is smaller than the sum of its proper divisors (92754685944).

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

40043777256 is a wasteful number, since it uses less digits than its factorization.

40043777256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597428 (or 597414 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 40043777256 in words is "forty billion, forty-three million, seven hundred seventy-seven thousand, two hundred fifty-six".