40749524657478 has 96 divisors (see below), whose sum is σ = 109131775212096. Its totient is φ = 10701002271744.

The previous prime is 40749524657467. The next prime is 40749524657483. The reversal of 40749524657478 is 87475642594704.

It is a happy number.

40749524657478 is a `hidden beast` number, since 4 + 0 + 7 + 4 + 9 + 5 + 2 + 46 + 574 + 7 + 8 = 666.

40749524657478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 53003775 + ... + 53767082.

It is an arithmetic number, because the mean of its divisors is an integer number (1136789325126).

Almost surely, 2^{40749524657478} is an apocalyptic number.

40749524657478 is an abundant number, since it is smaller than the sum of its proper divisors (68382250554618).

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

40749524657478 is a wasteful number, since it uses less digits than its factorization.

40749524657478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106771118 (or 106771115 counting only the distinct ones).

The product of its (nonzero) digits is 1896652800, while the sum is 72.

The spelling of 40749524657478 in words is "forty trillion, seven hundred forty-nine billion, five hundred twenty-four million, six hundred fifty-seven thousand, four hundred seventy-eight".