40013110031550 has 24 divisors (see below), whose sum is σ = 99232512878616. Its totient is φ = 10670162675040.

The previous prime is 40013110031539. The next prime is 40013110031551. The reversal of 40013110031550 is 5513001131004.

40013110031550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×40013110031550³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40013110031550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013110031551) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 133377033289 + ... + 133377033588.

It is an arithmetic number, because the mean of its divisors is an integer number (4134688036609).

Almost surely, 2^{40013110031550} is an apocalyptic number.

40013110031550 is an abundant number, since it is smaller than the sum of its proper divisors (59219402847066).

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

40013110031550 is a wasteful number, since it uses less digits than its factorization.

40013110031550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266754066892 (or 266754066887 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 40013110031550 its reverse (5513001131004), we get a palindrome (45526111162554).

The spelling of 40013110031550 in words is "forty trillion, thirteen billion, one hundred ten million, thirty-one thousand, five hundred fifty".