40420401203 has 48 divisors (see below), whose sum is σ = 56437305120. Its totient is φ = 28515400704.

The previous prime is 40420401157. The next prime is 40420401223. The reversal of 40420401203 is 30210402404.

It is not a de Polignac number, because 40420401203 - 2⁸ = 40420400947 is a prime.

It is a super-2 number, since 2×40420401203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40420401223) 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 47 ways as a sum of consecutive naturals, for example, 107525 + ... + 303977.

It is an arithmetic number, because the mean of its divisors is an integer number (1175777190).

Almost surely, 2^40420401203 is an apocalyptic number.

40420401203 is a deficient number, since it is larger than the sum of its proper divisors (16016903917).

40420401203 is a wasteful number, since it uses less digits than its factorization.

40420401203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196516 (or 196509 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40420401203 its reverse (30210402404), we get a palindrome (70630803607).

The spelling of 40420401203 in words is "forty billion, four hundred twenty million, four hundred one thousand, two hundred three".