40255402017045 has 16 divisors (see below), whose sum is σ = 64410388234560. Its totient is φ = 21468966073344.

The previous prime is 40255402017041. The next prime is 40255402017101. The reversal of 40255402017045 is 54071020455204.

It is not a de Polignac number, because 40255402017045 - 2² = 40255402017041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40255402016994 and 40255402017012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40255402017041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35781919 + ... + 36889788.

It is an arithmetic number, because the mean of its divisors is an integer number (4025649264660).

Almost surely, 2^{40255402017045} is an apocalyptic number.

It is an amenable number.

40255402017045 is a deficient number, since it is larger than the sum of its proper divisors (24154986217515).

40255402017045 is a wasteful number, since it uses less digits than its factorization.

40255402017045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72708644.

The product of its (nonzero) digits is 224000, while the sum is 39.

The spelling of 40255402017045 in words is "forty trillion, two hundred fifty-five billion, four hundred two million, seventeen thousand, forty-five".