40531255403 has 8 divisors (see below), whose sum is σ = 40705716480. Its totient is φ = 40356846720.

The previous prime is 40531255397. The next prime is 40531255433. The reversal of 40531255403 is 30455213504.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40531255403 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 40531255403.

It is not an unprimeable number, because it can be changed into a prime (40531255433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000701 + ... + 3014177.

It is an arithmetic number, because the mean of its divisors is an integer number (5088214560).

Almost surely, 2^40531255403 is an apocalyptic number.

40531255403 is a deficient number, since it is larger than the sum of its proper divisors (174461077).

40531255403 is a wasteful number, since it uses less digits than its factorization.

40531255403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26197.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 40531255403 its reverse (30455213504), we get a palindrome (70986468907).

The spelling of 40531255403 in words is "forty billion, five hundred thirty-one million, two hundred fifty-five thousand, four hundred three".