40243755137540 has 48 divisors (see below), whose sum is σ = 88960461952320. Its totient is φ = 15250165303680.

The previous prime is 40243755137539. The next prime is 40243755137561. The reversal of 40243755137540 is 4573155734204.

40243755137540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 86199335 + ... + 86664945.

It is an arithmetic number, because the mean of its divisors is an integer number (1853342957340).

Almost surely, 2^{40243755137540} is an apocalyptic number.

It is an amenable number.

40243755137540 is an abundant number, since it is smaller than the sum of its proper divisors (48716706814780).

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

40243755137540 is a wasteful number, since it uses less digits than its factorization.

40243755137540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693092 (or 693090 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 50.

The spelling of 40243755137540 in words is "forty trillion, two hundred forty-three billion, seven hundred fifty-five million, one hundred thirty-seven thousand, five hundred forty".