40400040363 has 8 divisors (see below), whose sum is σ = 54625406976. Its totient is φ = 26554017000.

The previous prime is 40400040361. The next prime is 40400040407. The reversal of 40400040363 is 36304000404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40400040363 - 2¹ = 40400040361 is a prime.

It is a super-2 number, since 2×40400040363² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40400040361) 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 7 ways as a sum of consecutive naturals, for example, 94835563 + ... + 94835988.

It is an arithmetic number, because the mean of its divisors is an integer number (6828175872).

Almost surely, 2^40400040363 is an apocalyptic number.

40400040363 is a deficient number, since it is larger than the sum of its proper divisors (14225366613).

40400040363 is a wasteful number, since it uses less digits than its factorization.

40400040363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189671625.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40400040363 its reverse (36304000404), we get a palindrome (76704040767).

The spelling of 40400040363 in words is "forty billion, four hundred million, forty thousand, three hundred sixty-three".