40788818289801 has 6 divisors (see below), whose sum is σ = 58917181974170. Its totient is φ = 27192545526528.

The previous prime is 40788818289787. The next prime is 40788818289809. The reversal of 40788818289801 is 10898281888704.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40576390401600 + 212427888201 = 6369960^2 + 460899^2 .

It is not a de Polignac number, because 40788818289801 - 2¹³ = 40788818281609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40788818289801.

It is not an unprimeable number, because it can be changed into a prime (40788818289809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2266045460536 + ... + 2266045460553.

Almost surely, 2^{40788818289801} is an apocalyptic number.

It is an amenable number.

40788818289801 is a deficient number, since it is larger than the sum of its proper divisors (18128363684369).

40788818289801 is a wasteful number, since it uses less digits than its factorization.

40788818289801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532090921095 (or 4532090921092 counting only the distinct ones).

The product of its (nonzero) digits is 132120576, while the sum is 72.

The spelling of 40788818289801 in words is "forty trillion, seven hundred eighty-eight billion, eight hundred eighteen million, two hundred eighty-nine thousand, eight hundred one".