40243755651755 has 32 divisors (see below), whose sum is σ = 49613965672320. Its totient is φ = 31329345203200.

The previous prime is 40243755651727. The next prime is 40243755651821. The reversal of 40243755651755 is 55715655734204.

40243755651755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40243755651755 - 2²⁶ = 40243688542891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40243755651694 and 40243755651703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4824977 + ... + 10186653.

It is an arithmetic number, because the mean of its divisors is an integer number (1550436427260).

Almost surely, 2^{40243755651755} is an apocalyptic number.

40243755651755 is a deficient number, since it is larger than the sum of its proper divisors (9370210020565).

40243755651755 is a wasteful number, since it uses less digits than its factorization.

40243755651755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362039.

The product of its (nonzero) digits is 88200000, while the sum is 59.

The spelling of 40243755651755 in words is "forty trillion, two hundred forty-three billion, seven hundred fifty-five million, six hundred fifty-one thousand, seven hundred fifty-five".