40065401133155 has 32 divisors (see below), whose sum is σ = 48402366566400. Its totient is φ = 31837118342400.

The previous prime is 40065401133139. The next prime is 40065401133157. The reversal of 40065401133155 is 55133110456004.

It is not a de Polignac number, because 40065401133155 - 2⁴ = 40065401133139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40065401133157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2665510490 + ... + 2665525520.

It is an arithmetic number, because the mean of its divisors is an integer number (1512573955200).

Almost surely, 2^{40065401133155} is an apocalyptic number.

40065401133155 is a deficient number, since it is larger than the sum of its proper divisors (8336965433245).

40065401133155 is a wasteful number, since it uses less digits than its factorization.

40065401133155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20795.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 40065401133155 its reverse (55133110456004), we get a palindrome (95198511589159).

The spelling of 40065401133155 in words is "forty trillion, sixty-five billion, four hundred one million, one hundred thirty-three thousand, one hundred fifty-five".