40321331403 has 16 divisors (see below), whose sum is σ = 57151660800. Its totient is φ = 25213960800.

The previous prime is 40321331399. The next prime is 40321331461. The reversal of 40321331403 is 30413312304.

40321331403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40321331403 - 2² = 40321331399 is a prime.

It is a super-2 number, since 2×40321331403² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40321331903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3496183 + ... + 3507696.

It is an arithmetic number, because the mean of its divisors is an integer number (3571978800).

Almost surely, 2^40321331403 is an apocalyptic number.

40321331403 is a deficient number, since it is larger than the sum of its proper divisors (16830329397).

40321331403 is a wasteful number, since it uses less digits than its factorization.

40321331403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7004002.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 40321331403 its reverse (30413312304), we get a palindrome (70734643707).

The spelling of 40321331403 in words is "forty billion, three hundred twenty-one million, three hundred thirty-one thousand, four hundred three".