40401302403 has 64 divisors (see below), whose sum is σ = 70746624000. Its totient is φ = 19868664960.

The previous prime is 40401302399. The next prime is 40401302407. The reversal of 40401302403 is 30420310404.

It is an interprime number because it is at equal distance from previous prime (40401302399) and next prime (40401302407).

It is not a de Polignac number, because 40401302403 - 2² = 40401302399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 40401302403.

It is not an unprimeable number, because it can be changed into a prime (40401302407) 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 63 ways as a sum of consecutive naturals, for example, 8551800 + ... + 8556522.

It is an arithmetic number, because the mean of its divisors is an integer number (1105416000).

Almost surely, 2^40401302403 is an apocalyptic number.

40401302403 is a deficient number, since it is larger than the sum of its proper divisors (30345321597).

40401302403 is a wasteful number, since it uses less digits than its factorization.

40401302403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6712.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40401302403 its reverse (30420310404), we get a palindrome (70821612807).

The spelling of 40401302403 in words is "forty billion, four hundred one million, three hundred two thousand, four hundred three".