40872755657045 has 16 divisors (see below), whose sum is σ = 55116705958272. Its totient is φ = 28870655499840.

The previous prime is 40872755656991. The next prime is 40872755657113. The reversal of 40872755657045 is 54075655727804.

It is a happy number.

40872755657045 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 40872755657045 - 2⁶ = 40872755656981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 13669816451 + ... + 13669819440.

It is an arithmetic number, because the mean of its divisors is an integer number (3444794122392).

Almost surely, 2^{40872755657045} is an apocalyptic number.

It is an amenable number.

40872755657045 is a deficient number, since it is larger than the sum of its proper divisors (14243950301227).

40872755657045 is a wasteful number, since it uses less digits than its factorization.

40872755657045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27339635932.

The product of its (nonzero) digits is 329280000, while the sum is 65.

The spelling of 40872755657045 in words is "forty trillion, eight hundred seventy-two billion, seven hundred fifty-five million, six hundred fifty-seven thousand, forty-five".