40313403 has 32 divisors (see below), whose sum is σ = 65838080. Its totient is φ = 24222240.

The previous prime is 40313401. The next prime is 40313407. The reversal of 40313403 is 30431304.

40313403 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 40313403 - 2¹ = 40313401 is a prime.

It is a super-2 number, since 2×40313403² = 3250340922880818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40313401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13758 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (2057440).

Almost surely, 2^40313403 is an apocalyptic number.

40313403 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40313403 is a deficient number, since it is larger than the sum of its proper divisors (25524677).

40313403 is a wasteful number, since it uses less digits than its factorization.

40313403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40313403 is about 6349.2836603825. The cubic root of 40313403 is about 342.8860526962.

Adding to 40313403 its reverse (30431304), we get a palindrome (70744707).

The spelling of 40313403 in words is "forty million, three hundred thirteen thousand, four hundred three".